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----
-license: mit
----
+# RRNCO Dataset
+
+## Overview
+This dataset contains information about 100 carefully selected cities worldwide, chosen to represent diverse urban environments across multiple dimensions including geography, population, infrastructure, and cultural significance.
+
+## Dataset Statistics
+- Total number of cities: 100
+- Geographic coverage: 6 continents
+- Population range: <100K to >10M
+- Time period: Contemporary
+
+## Selection Criteria
+
+### 1. Geographic Distribution
+Distribution of cities across continents:
+- Asia: 25 cities
+- Europe: 20 cities
+- Africa: 15 cities
+- North America: 15 cities
+- South America: 15 cities
+- Oceania: 10 cities
+
+### 2. Population Size Categories
+Cities are distributed across three population categories:
+- Large cities (>1M): 50 cities
+- Medium cities (100K-1M): 30 cities
+- Small cities (<100K): 20 cities
+
+### 3. Urban Layout Types
+Cities represent various urban planning approaches:
+- Grid-based layouts (e.g., Manhattan)
+- Radial patterns (e.g., Paris)
+- Organic development (e.g., Fez)
+- Mixed configurations (e.g., Tokyo)
+
+### 4. Economic & Cultural Significance
+Selected based on:
+- Major financial centers
+- Historic cities
+- Capital cities
+- Regional economic hubs
+
+### 5. Climate Zones
+Representative cities from each climate type:
+- Tropical regions
+- Arid areas
+- Temperate zones
+- Continental regions
+- Polar locations
+
+### 6. Infrastructure Development
+Cities at different development stages:
+- High-tech urban centers
+- Developing metropolitan areas
+- Rapidly urbanizing regions
+
+### 7. Transportation Systems
+Various transportation infrastructures:
+- Metro-based systems
+- Bus/tram networks
+- Car-centric designs
+
+### 8. Geographic Features
+Cities with distinct geographical characteristics:
+- Coastal locations
+- River cities
+- Mountain cities
+- Desert environments
+
+### 9. Historical Architecture
+Diverse architectural heritage:
+- Medieval urban cores
+- Colonial-era cities
+- Modern urban centers
+
+### 10. Practical Considerations
+Selection factors include:
+- Data availability and quality
+- Balance of famous and lesser-known cities
+- Research value and applicability
+
+## Detailed information about 100 Cities
+
+### Africa (14 cities)
+
+1. Lagos, Nigeria
+   - Population: Large (15.4M)
+   - Layout: Organic
+   - Features: Coastal
+   - Climate: Tropical
+   - Infrastructure: Developing
+   - Transport: Bus-centric
+
+2. Nairobi, Kenya
+   - Population: Large (4.4M)
+   - Layout: Mixed
+   - Features: Highland
+   - Climate: Tropical highland
+   - Infrastructure: Developing
+   - Transport: Bus-centric
+
+3. Casablanca, Morocco
+   - Population: Large (3.4M)
+   - Layout: Mixed colonial
+   - Features: Coastal
+   - Climate: Mediterranean
+   - Infrastructure: Medium
+   - Transport: Tram system
+
+4. Cape Town, South Africa
+   - Population: Large (4.6M)
+   - Layout: Mixed colonial
+   - Features: Coastal, Mountain
+   - Climate: Mediterranean
+   - Infrastructure: Advanced
+   - Transport: Multi-modal
+
+5. Addis Ababa, Ethiopia
+   - Population: Large (3.7M)
+   - Layout: Organic
+   - Features: Highland
+   - Climate: Highland
+   - Infrastructure: Developing
+   - Transport: Light rail
+
+6. Dakar, Senegal
+   - Population: Medium (3.1M)
+   - Layout: Peninsula grid
+   - Features: Coastal
+   - Climate: Semi-arid
+   - Infrastructure: Developing
+   - Transport: Bus-centric
+
+7. Kinshasa, DR Congo
+   - Population: Large (14.3M)
+   - Layout: Organic
+   - Features: River city
+   - Climate: Tropical
+   - Infrastructure: Developing
+   - Transport: Informal
+
+8. Luanda, Angola
+   - Population: Large (8.3M)
+   - Layout: Mixed
+   - Features: Coastal
+   - Climate: Tropical
+   - Infrastructure: Developing
+   - Transport: Bus-centric
+
+9. Kigali, Rwanda
+    - Population: Medium (1.2M)
+    - Layout: Hilly organic
+    - Features: Highland
+    - Climate: Tropical highland
+    - Infrastructure: Developing
+    - Transport: Bus-centric
+
+10. Marrakech, Morocco
+    - Population: Medium (928K)
+    - Layout: Medieval medina
+    - Features: Desert proximity
+    - Climate: Semi-arid
+    - Infrastructure: Mixed
+    - Transport: Traditional
+
+11. Windhoek, Namibia
+    - Population: Small (431K)
+    - Layout: Grid
+    - Features: Highland
+    - Climate: Semi-arid
+    - Infrastructure: Medium
+    - Transport: Car-centric
+
+12. Dar es Salaam, Tanzania
+    - Population: Large (6.7M)
+    - Layout: Coastal grid
+    - Features: Coastal
+    - Climate: Tropical
+    - Infrastructure: Developing
+    - Transport: Bus rapid transit
+
+13. Fez, Morocco
+    - Population: Medium (1.2M)
+    - Layout: Medieval organic
+    - Features: Historical
+    - Climate: Mediterranean
+    - Infrastructure: Traditional
+    - Transport: Pedestrian
+
+14. Alexandria, Egypt
+    - Population: Large (5.2M)
+    - Layout: Mixed
+    - Features: Coastal, Historical
+    - Climate: Mediterranean
+    - Infrastructure: Developing
+    - Transport: Tram system
+
+### Asia (25 cities)
+
+15. Daejeon, South Korea
+   - Population: Large (1.5M)
+   - Layout: Grid
+   - Features: Valley city
+   - Climate: Continental
+   - Infrastructure: Advanced
+   - Transport: Metro + bus
+   
+16. Tokyo, Japan
+    - Population: Large (37.4M)
+    - Layout: Mixed
+    - Features: Bay city
+    - Climate: Temperate
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+17. Shanghai, China
+    - Population: Large (27.8M)
+    - Layout: Mixed modern
+    - Features: River city
+    - Climate: Subtropical
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+18. Seoul, South Korea
+    - Population: Large (25.6M)
+    - Layout: Mixed
+    - Features: River city
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+19. Singapore
+    - Population: Large (5.7M)
+    - Layout: Planned
+    - Features: Island city-state
+    - Climate: Tropical
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+20. Hong Kong, China SAR
+    - Population: Large (7.5M)
+    - Layout: Dense vertical
+    - Features: Harbor city
+    - Climate: Subtropical
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+21. Mumbai, India
+    - Population: Large (20.4M)
+    - Layout: Linear coastal
+    - Features: Coastal
+    - Climate: Tropical
+    - Infrastructure: Developing
+    - Transport: Suburban rail
+
+22. Bangkok, Thailand
+    - Population: Large (10.7M)
+    - Layout: River-centric
+    - Features: River city
+    - Climate: Tropical
+    - Infrastructure: Developing
+    - Transport: Metro + boats
+
+23. Dubai, UAE
+    - Population: Large (3.4M)
+    - Layout: Linear modern
+    - Features: Coastal, Desert
+    - Climate: Arid
+    - Infrastructure: Advanced
+    - Transport: Metro
+
+24. Kyoto, Japan
+    - Population: Large (1.5M)
+    - Layout: Grid historical
+    - Features: Valley city
+    - Climate: Temperate
+    - Infrastructure: Advanced
+    - Transport: Multi-modal
+
+25. Beijing, China
+    - Population: Large (20.9M)
+    - Layout: Ring roads
+    - Features: Plain city
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+26. Hanoi, Vietnam
+    - Population: Large (8.1M)
+    - Layout: Mixed
+    - Features: River city
+    - Climate: Tropical
+    - Infrastructure: Developing
+    - Transport: Motorbike-centric
+
+27. Ulaanbaatar, Mongolia
+    - Population: Large (1.6M)
+    - Layout: Grid
+    - Features: Valley city
+    - Climate: Continental
+    - Infrastructure: Developing
+    - Transport: Bus-centric
+
+28. Bukhara, Uzbekistan
+    - Population: Small (247K)
+    - Layout: Medieval
+    - Features: Historical
+    - Climate: Arid
+    - Infrastructure: Traditional
+    - Transport: Pedestrian
+
+29. Taipei, Taiwan
+    - Population: Large (2.6M)
+    - Layout: Grid
+    - Features: Basin city
+    - Climate: Subtropical
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+30. Yogyakarta, Indonesia
+    - Population: Medium (422K)
+    - Layout: Traditional
+    - Features: Cultural center
+    - Climate: Tropical
+    - Infrastructure: Developing
+    - Transport: Mixed
+
+31. Mandalay, Myanmar
+    - Population: Large (1.2M)
+    - Layout: Grid
+    - Features: River city
+    - Climate: Tropical
+    - Infrastructure: Developing
+    - Transport: Motorbike-centric
+
+32. Thimphu, Bhutan
+    - Population: Small (115K)
+    - Layout: Valley organic
+    - Features: Mountain city
+    - Climate: Highland
+    - Infrastructure: Developing
+    - Transport: Bus-centric
+
+33. Vientiane, Laos
+    - Population: Medium (820K)
+    - Layout: Mixed
+    - Features: River city
+    - Climate: Tropical
+    - Infrastructure: Developing
+    - Transport: Informal
+
+34. Kuala Lumpur, Malaysia
+    - Population: Large (7.7M)
+    - Layout: Mixed modern
+    - Features: Valley city
+    - Climate: Tropical
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+35. Almaty, Kazakhstan
+    - Population: Large (1.9M)
+    - Layout: Grid
+    - Features: Mountain city
+    - Climate: Continental
+    - Infrastructure: Developing
+    - Transport: Metro
+
+36. Colombo, Sri Lanka
+    - Population: Large (5.6M)
+    - Layout: Colonial grid
+    - Features: Coastal
+    - Climate: Tropical
+    - Infrastructure: Developing
+    - Transport: Mixed
+
+37. Dhaka, Bangladesh
+    - Population: Large (21.7M)
+    - Layout: Organic
+    - Features: River city
+    - Climate: Tropical
+    - Infrastructure: Developing
+    - Transport: Rickshaw + bus
+
+38. Baku, Azerbaijan
+    - Population: Large (2.3M)
+    - Layout: Mixed
+    - Features: Coastal
+    - Climate: Semi-arid
+    - Infrastructure: Developing
+    - Transport: Metro
+
+39. Chengdu, China
+    - Population: Large (16.3M)
+    - Layout: Grid
+    - Features: Basin city
+    - Climate: Subtropical
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+40. Osaka, Japan
+    - Population: Large (19.1M)
+    - Layout: Grid
+    - Features: Bay city
+    - Climate: Temperate
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+### Europe (21 cities)
+
+41. London, UK
+    - Population: Large (9.4M)
+    - Layout: Organic radial
+    - Features: River city
+    - Climate: Temperate
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+42. Paris, France
+    - Population: Large (11.1M)
+    - Layout: Radial
+    - Features: River city
+    - Climate: Temperate
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+43. Rome, Italy
+    - Population: Large (4.3M)
+    - Layout: Historical organic
+    - Features: Seven hills
+    - Climate: Mediterranean
+    - Infrastructure: Advanced
+    - Transport: Metro + bus
+
+44. Amsterdam, Netherlands
+    - Population: Large (1.1M)
+    - Layout: Canal rings
+    - Features: Below sea level
+    - Climate: Temperate maritime
+    - Infrastructure: Advanced
+    - Transport: Bicycle + tram
+
+45. Prague, Czech Republic
+    - Population: Large (1.3M)
+    - Layout: Medieval radial
+    - Features: River city
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Multi-modal
+
+46. Stockholm, Sweden
+    - Population: Large (1.6M)
+    - Layout: Archipelago
+    - Features: Island city
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Metro + ferry
+
+47. Salzburg, Austria
+   - Population: Small (155K)
+   - Layout: Medieval core + modern areas
+   - Features: River city
+   - Climate: Continental
+   - Infrastructure: Advanced
+   - Transport: Multi-modal`
+
+48. Istanbul, Turkey
+    - Population: Large (15.6M)
+    - Layout: Mixed
+    - Features: Strait city
+    - Climate: Mediterranean
+    - Infrastructure: Advanced
+    - Transport: Multi-modal
+
+49. Barcelona, Spain
+    - Population: Large (5.6M)
+    - Layout: Grid + medieval
+    - Features: Coastal
+    - Climate: Mediterranean
+    - Infrastructure: Advanced
+    - Transport: Metro + walking
+
+50. Moscow, Russia
+    - Population: Large (12.5M)
+    - Layout: Ring roads
+    - Features: River city
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+51. Reykjavik, Iceland
+    - Population: Small (122K)
+    - Layout: Modern grid
+    - Features: Coastal
+    - Climate: Subarctic
+    - Infrastructure: Advanced
+    - Transport: Car-centric
+
+52. Athens, Greece
+    - Population: Large (3.2M)
+    - Layout: Mixed
+    - Features: Historical
+    - Climate: Mediterranean
+    - Infrastructure: Advanced
+    - Transport: Metro
+
+53. Vienna, Austria
+    - Population: Large (1.9M)
+    - Layout: Ring road
+    - Features: River city
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Multi-modal
+
+54. Dublin, Ireland
+    - Population: Large (1.2M)
+    - Layout: Georgian grid
+    - Features: Coastal
+    - Climate: Maritime
+    - Infrastructure: Advanced
+    - Transport: Multi-modal
+
+55. Copenhagen, Denmark
+    - Population: Large (1.3M)
+    - Layout: Mixed
+    - Features: Coastal
+    - Climate: Maritime
+    - Infrastructure: Advanced
+    - Transport: Bicycle + metro
+
+56. Porto, Portugal
+    - Population: Medium (237K)
+    - Layout: Medieval organic
+    - Features: River mouth
+    - Climate: Mediterranean
+    - Infrastructure: Advanced
+    - Transport: Metro + historic tram
+
+57. Bergen, Norway
+    - Population: Small (283K)
+    - Layout: Fjord setting
+    - Features: Coastal mountain
+    - Climate: Maritime
+    - Infrastructure: Advanced
+    - Transport: Light rail + bus
+
+58. Dubrovnik, Croatia
+    - Population: Small (42K)
+    - Layout: Medieval walled
+    - Features: Coastal
+    - Climate: Mediterranean
+    - Infrastructure: Traditional
+    - Transport: Pedestrian
+
+59. Edinburgh, UK
+    - Population: Medium (524K)
+    - Layout: Medieval + Georgian
+    - Features: Hills
+    - Climate: Maritime
+    - Infrastructure: Advanced
+    - Transport: Multi-modal
+
+60. Helsinki, Finland
+    - Population: Large (1.3M)
+    - Layout: Grid
+    - Features: Peninsula
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Multi-modal
+
+## North America (15 cities)
+
+61. New York City, USA
+    - Population: Large (18.8M)
+    - Layout: Grid
+    - Features: Coastal
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Complex metro
+
+62. Mexico City, Mexico
+    - Population: Large (21.8M)
+    - Layout: Mixed
+    - Features: Valley city
+    - Climate: Highland tropical
+    - Infrastructure: Mixed
+    - Transport: Metro
+
+63. Toronto, Canada
+    - Population: Large (6.2M)
+    - Layout: Grid
+    - Features: Lake city
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Multi-modal
+
+64. San Francisco, USA
+    - Population: Large (3.3M)
+    - Layout: Grid on hills
+    - Features: Peninsula
+    - Climate: Mediterranean
+    - Infrastructure: Advanced
+    - Transport: Multi-modal
+
+65. Vancouver, Canada
+    - Population: Large (2.5M)
+    - Layout: Grid
+    - Features: Peninsula
+    - Climate: Maritime
+    - Infrastructure: Advanced
+    - Transport: Multi-modal
+
+66. Chicago, USA
+    - Population: Large (8.9M)
+    - Layout: Grid
+    - Features: Lake city
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Metro + elevated
+
+67. Montreal, Canada
+    - Population: Large (4.2M)
+    - Layout: Mixed
+    - Features: Island city
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Metro
+
+68. Los Angeles, USA
+    - Population: Large (13.2M)
+    - Layout: Sprawl grid
+    - Features: Coastal basin
+    - Climate: Mediterranean
+    - Infrastructure: Advanced
+    - Transport: Car-centric
+
+69. Havana, Cuba
+    - Population: Large (2.1M)
+    - Layout: Spanish colonial
+    - Features: Coastal
+    - Climate: Tropical
+    - Infrastructure: Traditional
+    - Transport: Mixed
+
+70. Quebec City, Canada
+    - Population: Medium (531K)
+    - Layout: Historic walled
+    - Features: River city
+    - Climate: Continental
+    - Infrastructure: Advanced
+    - Transport: Bus-centric
+
+71. New Orleans, USA
+    - Population: Medium (391K)
+    - Layout: French colonial
+    - Features: River delta
+    - Climate: Subtropical
+    - Infrastructure: Mixed
+    - Transport: Streetcar + bus
+
+72. Guatemala City, Guatemala
+    - Population: Large (2.9M)
+    - Layout: Grid valley
+    - Features: Valley city
+    - Climate: Tropical highland
+    - Infrastructure: Developing
+    - Transport: Bus rapid transit
+
+73. Panama City, Panama
+    - Population: Large (1.5M)
+    - Layout: Coastal modern
+    - Features: Coastal
+    - Climate: Tropical
+    - Infrastructure: Advanced
+    - Transport: Metro
+
+74. Denver, USA
+    - Population: Large (2.9M)
+    - Layout: Grid
+    - Features: Mountain proximity
+    - Climate: Semi-arid
+    - Infrastructure: Advanced
+    - Transport: Light rail
+
+75. San Juan, Puerto Rico
+    - Population: Medium (395K)
+    - Layout: Colonial + modern
+    - Features: Coastal
+    - Climate: Tropical
+    - Infrastructure: Mixed
+    - Transport: Car + bus
+
+### South America (15 cities)
+
+76. São Paulo, Brazil
+    - Population: Large (22.4M)
+    - Layout: Sprawling
+    - Features: Highland
+    - Climate: Subtropical
+    - Infrastructure: Mixed
+    - Transport: Metro + bus
+
+77. Buenos Aires, Argentina
+    - Population: Large (15.1M)
+    - Layout: Grid
+    - Features: River city
+    - Climate: Subtropical
+    - Infrastructure: Advanced
+    - Transport: Metro
+
+78. Lima, Peru
+    - Population: Large (10.7M)
+    - Layout: Grid + organic
+    - Features: Coastal desert
+    - Climate: Desert
+    - Infrastructure: Mixed
+    - Transport: Bus rapid transit
+
+79. Rio de Janeiro, Brazil
+    - Population: Large (13.5M)
+    - Layout: Coastal organic
+    - Features: Mountain + coast
+    - Climate: Tropical
+    - Infrastructure: Mixed
+    - Transport: Metro + bus
+
+80. Santiago, Chile
+    - Population: Large (6.8M)
+    - Layout: Grid
+    - Features: Valley city
+    - Climate: Mediterranean
+    - Infrastructure: Advanced
+    - Transport: Metro
+
+81. Cusco, Peru
+    - Population: Medium (428K)
+    - Layout: Inca + colonial
+    - Features: Mountain city
+    - Climate: Highland
+    - Infrastructure: Mixed
+    - Transport: Bus-centric
+
+82. Cartagena, Colombia
+    - Population: Medium (914K)
+    - Layout: Colonial walled
+    - Features: Coastal
+    - Climate: Tropical
+    - Infrastructure: Mixed
+    - Transport: Bus + walking
+
+83. Quito, Ecuador
+    - Population: Large (2.0M)
+    - Layout: Linear valley
+    - Features: Highland
+    - Climate: Highland
+    - Infrastructure: Mixed
+    - Transport: Bus rapid transit
+
+84. Montevideo, Uruguay
+    - Population: Large (1.4M)
+    - Layout: Grid
+    - Features: Coastal
+    - Climate: Subtropical
+    - Infrastructure: Advanced
+    - Transport: Bus-centric
+
+85. La Paz, Bolivia
+    - Population: Large (1.9M)
+    - Layout: Valley organic
+    - Features: Mountain city
+    - Climate: Highland
+    - Infrastructure: Mixed
+    - Transport: Cable car + bus
+
+86. Asunción, Paraguay
+    - Population: Large (2.3M)
+    - Layout: Grid
+    - Features: River city
+    - Climate: Subtropical
+    - Infrastructure: Developing
+    - Transport: Bus-centric
+
+87. Salvador, Brazil
+    - Population: Large (2.9M)
+    - Layout: Colonial + modern
+    - Features: Coastal
+    - Climate: Tropical
+    - Infrastructure: Mixed
+    - Transport: Metro + bus
+
+88. Medellín, Colombia
+    - Population: Large (2.5M)
+    - Layout: Valley linear
+    - Features: Mountain valley
+    - Climate: Tropical highland
+    - Infrastructure: Advanced
+    - Transport: Metro + cable car
+
+89. Valparaíso, Chile
+    - Population: Medium (285K)
+    - Layout: Hills organic
+    - Features: Coastal hills
+    - Climate: Mediterranean
+    - Infrastructure: Mixed
+    - Transport: Funicular + bus
+
+90. Curitiba, Brazil
+    - Population: Large (1.9M)
+    - Layout: Planned radial
+    - Features: Highland
+    - Climate: Subtropical
+    - Infrastructure: Advanced
+    - Transport: Bus rapid transit
+
+### Oceania (10 cities)
+
+91. Sydney, Australia
+    - Population: Large (5.3M)
+    - Layout: Harbor organic
+    - Features: Harbor city
+    - Climate: Subtropical
+    - Infrastructure: Advanced
+    - Transport: Multi-modal
+
+92. Melbourne, Australia
+    - Population: Large (5.1M)
+    - Layout: Grid
+    - Features: River city
+    - Climate: Temperate
+    - Infrastructure: Advanced
+    - Transport: Tram + train
+
+93. Auckland, New Zealand
+    - Population: Large (1.7M)
+    - Layout: Harbor sprawl
+    - Features: Isthmus city
+    - Climate: Maritime
+    - Infrastructure: Advanced
+    - Transport: Car + bus
+
+94. Wellington, New Zealand
+    - Population: Medium (212K)
+    - Layout: Harbor basin
+    - Features: Coastal hills
+    - Climate: Maritime
+    - Infrastructure: Advanced
+    - Transport: Bus + train
+
+95. Brisbane, Australia
+    - Population: Large (2.5M)
+    - Layout: River grid
+    - Features: River city
+    - Climate: Subtropical
+    - Infrastructure: Advanced
+    - Transport: Bus + train
+
+96. Perth, Australia
+    - Population: Large (2.1M)
+    - Layout: Coastal sprawl
+    - Features: Coastal
+    - Climate: Mediterranean
+    - Infrastructure: Advanced
+    - Transport: Train + bus
+
+97. Hobart, Australia
+    - Population: Small (248K)
+    - Layout: Mountain harbor
+    - Features: Harbor city
+    - Climate: Temperate
+    - Infrastructure: Advanced
+    - Transport: Bus-centric
+
+98. Christchurch, New Zealand
+    - Population: Medium (404K)
+    - Layout: Grid
+    - Features: Coastal plain
+    - Climate: Maritime
+    - Infrastructure: Advanced
+    - Transport: Bus-centric
+
+99. Nouméa, New Caledonia
+    - Population: Small (94K)
+    - Layout: Peninsula
+    - Features: Coastal
+    - Climate: Tropical
+    - Infrastructure: Mixed
+    - Transport: Bus-centric
+
+100. Port Moresby, Papua New Guinea
+     - Population: Medium (364K)
+     - Layout: Harbor sprawl
+     - Features: Coastal hills
+     - Climate: Tropical
+     - Infrastructure: Developing
+     - Transport: Bus + informal
+
+### Dataset Summary
+
+Total Cities: 100
+
+Population Distribution:
+- Large cities (>1M): 50
+- Medium cities (100K-1M): 30
+- Small cities (<100K): 20
+
+Geographic Distribution:
+- Africa: 15
+- Asia: 25
+- Europe: 20
+- North America: 15
+- South America: 15
+- Oceania: 10
+
+Climate Zones:
+- Tropical/Subtropical: 35
+- Temperate/Mediterranean: 30
+- Continental: 20
+- Arid/Semi-arid: 10
+- Maritime/Subarctic: 5
+
+Infrastructure Levels:
+- Advanced: 45
+- Mixed: 25
+- Developing: 25
+- Traditional: 5
+
+Primary Transport Types:
+- Complex metro systems: 15
+- Multi-modal: 30
+- Bus-centric: 25
+- Car-centric: 10
+- Traditional/Informal: 20
\ No newline at end of file
diff --git a/cities_list.json b/cities_list.json
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index 0000000000000000000000000000000000000000..bd6e412fe4d0a3cd2d3973c7e80accafa96eb417
--- /dev/null
+++ b/cities_list.json
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+{
+    "subfolders": [
+        "Daejeon",
+        "Lagos",
+        "Nairobi",
+        "Casablanca",
+        "Cape_Town",
+        "Addis_Ababa",
+        "Dakar_Senegal",
+        "Kinshasa_DRC",
+        "Luanda_Angola",
+        "Kigali_Rwanda",
+        "Marrakech_Morocco",
+        "Windhoek_Namibia",
+        "Dar_es_Salaam_Tanzania",
+        "Fez_Morocco",
+        "Alexandria",
+        "Tokyo",
+        "Shanghai",
+        "Seoul",
+        "Singapore",
+        "Hong_Kong",
+        "Mumbai",
+        "Bangkok",
+        "Dubai",
+        "Kyoto",
+        "Beijing",
+        "Hanoi",
+        "Ulaanbaatar_Mongolia",
+        "Bukhara_Uzbekistan",
+        "Taipei",
+        "Yogyakarta_Indonesia",
+        "Mandalay_Myanmar",
+        "Thimphu_Bhutan",
+        "Vientiane_Laos",
+        "Kuala_Lumpur",
+        "Almaty_Kazakhstan",
+        "Colombo_Sri_Lanka",
+        "Dhaka",
+        "Baku_Azerbaijan",
+        "Chengdu",
+        "Osaka",
+        "London",
+        "Paris",
+        "Rome",
+        "Amsterdam",
+        "Prague",
+        "Stockholm",
+        "Salzburg",
+        "Istanbul",
+        "Barcelona",
+        "Moscow",
+        "Reykjavik_Iceland",
+        "Athens",
+        "Vienna",
+        "Dublin",
+        "Copenhagen",
+        "Porto_Portugal",
+        "Bergen_Norway",
+        "Dubrovnik_Croatia",
+        "Edinburgh",
+        "Helsinki",
+        "New_York_City",
+        "Mexico_City",
+        "Toronto",
+        "San_Francisco",
+        "Vancouver",
+        "Chicago",
+        "Montreal",
+        "Los_Angeles",
+        "La_Habana",
+        "Quebec_City",
+        "New_Orleans",
+        "Guatemala_City_Guatemala",
+        "Panamá",
+        "Denver",
+        "San_Juan_Puerto_Rico",
+        "Sao_Paulo",
+        "Buenos_Aires",
+        "Lima",
+        "Rio_de_Janeiro",
+        "Santiago",
+        "Cusco_Peru",
+        "Cartagena_Colombia",
+        "Quito_Ecuador",
+        "Montevideo_Uruguay",
+        "La_Paz_Bolivia",
+        "Asuncion_Paraguay",
+        "Salvador_Brazil",
+        "Medellin_Colombia",
+        "Valparaíso",
+        "Curitiba_Brazil",
+        "Sydney",
+        "Melbourne",
+        "Auckland",
+        "Wellington_New_Zealand",
+        "Brisbane",
+        "Perth",
+        "Hobart_Australia",
+        "Christchurch_New_Zealand",
+        "Noumea_New_Caledonia",
+        "Port_Moresby_Papua_New_Guinea"
+    ]
+}
\ No newline at end of file
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+version https://git-lfs.github.com/spec/v1
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+size 5712752
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+version https://git-lfs.github.com/spec/v1
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+version https://git-lfs.github.com/spec/v1
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+version https://git-lfs.github.com/spec/v1
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--- /dev/null
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 16016762
diff --git a/dataset/Thimphu_Bhutan/Thimphu_Bhutan_data.npz b/dataset/Thimphu_Bhutan/Thimphu_Bhutan_data.npz
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+version https://git-lfs.github.com/spec/v1
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+version https://git-lfs.github.com/spec/v1
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+version https://git-lfs.github.com/spec/v1
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+size 16016762
diff --git a/dataset/Ulaanbaatar_Mongolia/Ulaanbaatar_Mongolia_data.npz b/dataset/Ulaanbaatar_Mongolia/Ulaanbaatar_Mongolia_data.npz
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 16016762
diff --git "a/dataset/Valpara\303\255so/Valpara\303\255so_data.npz" "b/dataset/Valpara\303\255so/Valpara\303\255so_data.npz"
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 16016762
diff --git a/dataset/Vancouver/Vancouver_data.npz b/dataset/Vancouver/Vancouver_data.npz
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+version https://git-lfs.github.com/spec/v1
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+version https://git-lfs.github.com/spec/v1
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diff --git a/dataset/Vientiane_Laos/Vientiane_Laos_data.npz b/dataset/Vientiane_Laos/Vientiane_Laos_data.npz
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2007562784995dbb8c92c471ce066635ca45c041dc751c8209d34e7b24a39773
+size 16016762
diff --git a/dataset/Wellington_New_Zealand/Wellington_New_Zealand_data.npz b/dataset/Wellington_New_Zealand/Wellington_New_Zealand_data.npz
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--- /dev/null
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 16016762
diff --git a/dataset/Windhoek_Namibia/Windhoek_Namibia_data.npz b/dataset/Windhoek_Namibia/Windhoek_Namibia_data.npz
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/dataset/Yogyakarta_Indonesia/Yogyakarta_Indonesia_data.npz b/dataset/Yogyakarta_Indonesia/Yogyakarta_Indonesia_data.npz
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--- /dev/null
+++ b/dataset/Yogyakarta_Indonesia/Yogyakarta_Indonesia_data.npz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/html/no_map.html b/html/no_map.html
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--- /dev/null
+++ b/html/no_map.html
@@ -0,0 +1,184 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>OpenLayers Route</title>
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.5.0/css/ol.css">
+    <script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.5.0/build/ol.js"></script>
+</head>
+<body>
+    <div id="map" style="width: 100%; height: 400px; background: white;"></div>
+    <script>
+    const map = new ol.Map({
+        target: 'map',
+        layers: [], // 移除了基础地图图层
+        view: new ol.View({
+            center: ol.proj.fromLonLat([2.346757, 48.853005]),
+            zoom: 13.5
+        })
+    });
+
+    const centerPoint = [2.346757, 48.853005];
+    const markersLayer = new ol.layer.Vector({
+        source: new ol.source.Vector()
+    });
+
+    const centerLayer = new ol.layer.Vector({
+        source: new ol.source.Vector()
+    });
+
+    const centerMarker = new ol.Feature({
+        geometry: new ol.geom.Point(ol.proj.fromLonLat(centerPoint))
+    });
+
+    centerMarker.setStyle(new ol.style.Style({
+        image: new ol.style.RegularShape({
+            points: 5,
+            radius: 12,
+            radius2: 6,
+            fill: new ol.style.Fill({
+                color: '#ffff00'
+            }),
+            stroke: new ol.style.Stroke({
+                color: '#ff0000',
+                width: 2
+            })
+        }),
+        text: new ol.style.Text({
+            text: 'Center',
+            fill: new ol.style.Fill({
+                color: '#000'
+            }),
+            stroke: new ol.style.Stroke({
+                color: '#fff',
+                width: 2
+            }),
+            font: 'bold 14px Arial',
+            offsetY: -20
+        })
+    }));
+
+    centerLayer.getSource().addFeature(centerMarker);
+
+    centerLayer.setZIndex(3);
+    markersLayer.setZIndex(2);
+
+    const route1 = [
+    [2.346757, 48.853005],
+    [2.33877, 48.85258],
+    [2.33293, 48.85262],
+    [2.33274, 48.85259],
+    [2.32914, 48.8477],
+    [2.328138, 48.847357],
+    [2.32867, 48.84551],
+    [2.3346, 48.84434],
+    [2.33315, 48.841244],
+    [2.346757, 48.853005]
+];
+
+    const route2 = [
+        [2.346757, 48.853005],
+        [2.34412, 48.8498],
+        [2.33726, 48.84093],
+        [2.3368, 48.84007],
+        [2.34821, 48.84168],
+        [2.35153, 48.84051],
+        [2.35239, 48.84435],
+        [2.35383, 48.852],
+        [2.35814, 48.85371],
+        [2.346757, 48.853005]
+    ];
+
+    const route3 = [
+        [2.346757, 48.853005],
+        [2.36475, 48.85588],
+        [2.36632, 48.85765],
+        [2.36846, 48.86596],
+        [2.35429, 48.85945],
+        [2.35038, 48.8582],
+        [2.34454, 48.85837],
+        [2.344538, 48.858366],
+        [2.34676, 48.85301],
+        [2.346757, 48.853005]
+    ];
+
+    const route4 = [
+        [2.346757, 48.853005],
+        [2.340631, 48.865014],
+        [2.34063, 48.86501],
+        [2.34133, 48.86026],
+        [2.33892, 48.86309],
+        [2.32946, 48.85789],
+        [2.346757, 48.853005]
+    ];
+
+    const routes = [route1, route2, route3, route4];
+    const colors = ['#E69F00', '#56B4E9', '#009E73', '#CC79A7'];
+
+    routes.forEach((route, routeIndex) => {
+        route.forEach((coord, pointIndex) => {
+            if (pointIndex > 0 && pointIndex < route.length - 1) {
+                const marker = new ol.Feature({
+                    geometry: new ol.geom.Point(ol.proj.fromLonLat(coord))
+                });
+                
+                marker.setStyle(new ol.style.Style({
+                    image: new ol.style.Circle({
+                        radius: 6,
+                        fill: new ol.style.Fill({
+                            color: colors[routeIndex]
+                        }),
+                        stroke: new ol.style.Stroke({
+                            color: '#ffffff',
+                            width: 2
+                        })
+                    }),
+                    text: new ol.style.Text({
+                        text: `R${routeIndex + 1}-${pointIndex}`,
+                        fill: new ol.style.Fill({
+                            color: '#fff'
+                        }),
+                        stroke: new ol.style.Stroke({
+                            color: '#000',
+                            width: 2
+                        }),
+                        font: '12px Arial',
+                        offsetY: -15
+                    })
+                }));
+                
+                markersLayer.getSource().addFeature(marker);
+            }
+        });
+    });
+
+    routes.forEach((route, index) => {
+        const lineString = new ol.geom.LineString(
+            route.map(coord => ol.proj.fromLonLat(coord))
+        );
+        
+        const routeFeature = new ol.Feature({
+            geometry: lineString,
+            name: 'Route ' + (index + 1)
+        });
+
+        const vectorLayer = new ol.layer.Vector({
+            source: new ol.source.Vector({
+                features: [routeFeature]
+            }),
+            style: new ol.style.Style({
+                stroke: new ol.style.Stroke({
+                    color: colors[index],
+                    width: 4
+                })
+            })
+        });
+        
+        vectorLayer.setZIndex(1); 
+        map.addLayer(vectorLayer);
+    });
+
+    map.addLayer(markersLayer);
+    map.addLayer(centerLayer);
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/html/rrnco.html b/html/rrnco.html
new file mode 100644
index 0000000000000000000000000000000000000000..b26494e742c9454e2971e2b210a5a2e55426868c
--- /dev/null
+++ b/html/rrnco.html
@@ -0,0 +1,212 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>OpenLayers Route</title>
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.5.0/css/ol.css">
+    <script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.5.0/build/ol.js"></script>
+</head>
+<body>
+    <div id="map" style="width: 100%; height: 400px;"></div>
+    <script>
+    const map = new ol.Map({
+        target: 'map',
+        layers: [
+            new ol.layer.Tile({
+                source: new ol.source.OSM()
+            })
+        ],
+        view: new ol.View({
+            center: ol.proj.fromLonLat([2.346757, 48.853005]),
+            zoom: 13.5
+        })
+    });
+
+    
+    const centerPoint = [2.346757, 48.853005];
+
+    const markersLayer = new ol.layer.Vector({
+        source: new ol.source.Vector()
+    });
+    map.addLayer(markersLayer);
+
+    
+    const centerMarker = new ol.Feature({
+        geometry: new ol.geom.Point(ol.proj.fromLonLat(centerPoint))
+    });
+
+    
+    centerMarker.setStyle(new ol.style.Style({
+        image: new ol.style.RegularShape({
+            points: 5,  
+            radius: 12,
+            radius2: 6,
+            fill: new ol.style.Fill({
+                color: '#ffff00'  
+            }),
+            stroke: new ol.style.Stroke({
+                color: '#ff0000',  
+                width: 2
+            })
+        }),
+        text: new ol.style.Text({
+            text: 'Center',
+            fill: new ol.style.Fill({
+                color: '#000'
+            }),
+            stroke: new ol.style.Stroke({
+                color: '#fff',
+                width: 2
+            }),
+            font: 'bold 14px Arial',
+            offsetY: -20
+        })
+    }));
+
+    const centerLayer = new ol.layer.Vector({
+        source: new ol.source.Vector()
+    });
+
+    centerLayer.getSource().addFeature(centerMarker);
+
+    centerLayer.setZIndex(2);
+
+    // 8 cap
+
+    const route1 = [
+    [2.33293, 48.85262],
+    [2.346757, 48.853005],
+    [2.33877, 48.85258],
+    [2.33274, 48.85259],
+    [2.32914, 48.8477],
+    [2.328138, 48.847357],
+    [2.32867, 48.84551],
+    [2.3346, 48.84434],
+    [2.33315, 48.841244],
+    [2.346757, 48.853005]
+];
+
+    const route2 = [
+        [2.34675, 48.853005],
+        [2.35814, 48.85371],
+        [2.35383, 48.852],
+        [2.346757, 48.853005],
+        [2.35239, 48.84435],
+        [2.35153, 48.84051],
+        [2.34821, 48.84168],
+        [2.3368, 48.84007],
+        [2.33726, 48.84093],
+        [2.34412, 48.8498],
+        [2.34412, 48.8498]
+    ];
+
+    const route3 = [
+        [2.346757, 48.853005],
+        [2.36475, 48.85588],
+        [2.36632, 48.85765],
+        [2.36846, 48.86596],
+        [2.35429, 48.85945],
+        [2.35038, 48.8582],
+        [2.34454, 48.85837],
+        [2.344538, 48.858366],
+        [2.34676, 48.85301],
+        [2.346757, 48.853005]
+    ];
+
+    const route4 = [
+        [2.346757, 48.853005],
+        [2.32946, 48.85789],
+        [2.33892, 48.86309],
+
+        [2.340631, 48.865014],
+        [2.34133, 48.86026],
+
+        [2.34063, 48.86501],
+        [2.346757, 48.853005]
+    ];
+
+    const routes = [route1, route2, route3, route4];
+    const colors = ['#E69F00', '#56B4E9', '#009E73', '#CC79A7'];
+    
+    routes.forEach((route, routeIndex) => {
+        route.forEach((coord, pointIndex) => {
+            if (pointIndex > 0 && pointIndex < route.length - 1) { 
+                const marker = new ol.Feature({
+                    geometry: new ol.geom.Point(ol.proj.fromLonLat(coord))
+                });
+                
+                marker.setStyle(new ol.style.Style({
+                    image: new ol.style.Circle({
+                        radius: 6,
+                        fill: new ol.style.Fill({
+                            color: colors[routeIndex]
+                        }),
+                        stroke: new ol.style.Stroke({
+                            color: '#ffffff',
+                            width: 2
+                        })
+                    }),
+                    text: new ol.style.Text({
+                        text: `R${routeIndex + 1}-${pointIndex}`,
+                        fill: new ol.style.Fill({
+                            color: '#fff'
+                        }),
+                        stroke: new ol.style.Stroke({
+                            color: '#000',
+                            width: 2
+                        }),
+                        font: '12px Arial',
+                        offsetY: -15
+                    })
+                }));
+                
+                markersLayer.getSource().addFeature(marker);
+            }
+        });
+    });
+
+    
+    routes.forEach((route, index) => {
+        fetch(
+            'https://router.project-osrm.org/route/v1/driving/' +
+            route.join(';') +
+            '?overview=full&geometries=polyline6'
+        ).then(function (response) {
+            response.json().then(function (result) {
+                const polyline = result.routes[0].geometry;
+                const routeGeom = new ol.format.Polyline({
+                    factor: 1e6,
+                }).readGeometry(polyline, {
+                    dataProjection: 'EPSG:4326',
+                    featureProjection: map.getView().getProjection(),
+                });
+
+                const routeFeature = new ol.Feature({
+                    geometry: routeGeom,
+                    name: 'Route ' + (index + 1)
+                });
+
+                const vectorLayer = new ol.layer.Vector({
+                    source: new ol.source.Vector({
+                        features: [routeFeature]
+                    }),
+                    style: new ol.style.Style({
+                        stroke: new ol.style.Stroke({
+                            color: colors[index],
+                            width: 4
+                        })
+                    })
+                });
+
+                map.addLayer(vectorLayer);
+
+                
+                vectorLayer.setZIndex(1);
+            });
+        });
+    });
+
+    
+    map.addLayer(centerLayer);
+    </script>
+</body>
+</html>
diff --git a/html/same_order.html b/html/same_order.html
new file mode 100644
index 0000000000000000000000000000000000000000..012d68d92683680bff220ddf3f2ecab1d0218529
--- /dev/null
+++ b/html/same_order.html
@@ -0,0 +1,200 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>OpenLayers Route</title>
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.5.0/css/ol.css">
+    <script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.5.0/build/ol.js"></script>
+</head>
+<body>
+    <div id="map" style="width: 100%; height: 400px;"></div>
+    <script>
+    const map = new ol.Map({
+        target: 'map',
+        layers: [
+            new ol.layer.Tile({
+                source: new ol.source.OSM()
+            })
+        ],
+        view: new ol.View({
+            center: ol.proj.fromLonLat([2.346757, 48.853005]),
+            zoom: 13.5
+        })
+    });
+
+    const centerPoint = [2.346757, 48.853005];
+
+    const markersLayer = new ol.layer.Vector({
+        source: new ol.source.Vector()
+    });
+    map.addLayer(markersLayer);
+
+    const centerMarker = new ol.Feature({
+        geometry: new ol.geom.Point(ol.proj.fromLonLat(centerPoint))
+    });
+
+    centerMarker.setStyle(new ol.style.Style({
+        image: new ol.style.RegularShape({
+            points: 5,  
+            radius: 12,
+            radius2: 6,
+            fill: new ol.style.Fill({
+                color: '#ffff00'  
+            }),
+            stroke: new ol.style.Stroke({
+                color: '#ff0000',  
+                width: 2
+            })
+        }),
+        text: new ol.style.Text({
+            text: 'Center',
+            fill: new ol.style.Fill({
+                color: '#000'
+            }),
+            stroke: new ol.style.Stroke({
+                color: '#fff',
+                width: 2
+            }),
+            font: 'bold 14px Arial',
+            offsetY: -20
+        })
+    }));
+
+    const centerLayer = new ol.layer.Vector({
+        source: new ol.source.Vector()
+    });
+
+    centerLayer.getSource().addFeature(centerMarker);
+
+    centerLayer.setZIndex(2);
+
+    const route1 = [
+    [2.346757, 48.853005],
+    [2.33877, 48.85258],
+    [2.33293, 48.85262],
+    [2.33274, 48.85259],
+    [2.32914, 48.8477],
+    [2.328138, 48.847357],
+    [2.32867, 48.84551],
+    [2.3346, 48.84434],
+    [2.33315, 48.841244],
+    [2.346757, 48.853005]
+];
+
+    const route2 = [
+        [2.346757, 48.853005],
+        [2.34412, 48.8498],
+        [2.33726, 48.84093],
+        [2.3368, 48.84007],
+        [2.34821, 48.84168],
+        [2.35153, 48.84051],
+        [2.35239, 48.84435],
+        [2.35383, 48.852],
+        [2.35814, 48.85371],
+        [2.346757, 48.853005]
+    ];
+
+    const route3 = [
+        [2.346757, 48.853005],
+        [2.36475, 48.85588],
+        [2.36632, 48.85765],
+        [2.36846, 48.86596],
+        [2.35429, 48.85945],
+        [2.35038, 48.8582],
+        [2.34454, 48.85837],
+        [2.344538, 48.858366],
+        [2.34676, 48.85301],
+        [2.346757, 48.853005]
+    ];
+
+    const route4 = [
+        [2.346757, 48.853005],
+        [2.340631, 48.865014],
+        [2.34063, 48.86501],
+        [2.34133, 48.86026],
+        [2.33892, 48.86309],
+        [2.32946, 48.85789],
+        [2.346757, 48.853005]
+    ];
+
+    const routes = [route1, route2, route3, route4];
+    const colors = ['#E69F00', '#56B4E9', '#009E73', '#CC79A7'];
+    routes.forEach((route, routeIndex) => {
+        route.forEach((coord, pointIndex) => {
+            if (pointIndex > 0 && pointIndex < route.length - 1) { 
+                const marker = new ol.Feature({
+                    geometry: new ol.geom.Point(ol.proj.fromLonLat(coord))
+                });
+                
+                marker.setStyle(new ol.style.Style({
+                    image: new ol.style.Circle({
+                        radius: 6,
+                        fill: new ol.style.Fill({
+                            color: colors[routeIndex]
+                        }),
+                        stroke: new ol.style.Stroke({
+                            color: '#ffffff',
+                            width: 2
+                        })
+                    }),
+                    text: new ol.style.Text({
+                        text: `R${routeIndex + 1}-${pointIndex}`,
+                        fill: new ol.style.Fill({
+                            color: '#fff'
+                        }),
+                        stroke: new ol.style.Stroke({
+                            color: '#000',
+                            width: 2
+                        }),
+                        font: '12px Arial',
+                        offsetY: -15
+                    })
+                }));
+                
+                markersLayer.getSource().addFeature(marker);
+            }
+        });
+    });
+
+    routes.forEach((route, index) => {
+        fetch(
+            'https://router.project-osrm.org/route/v1/driving/' +
+            route.join(';') +
+            '?overview=full&geometries=polyline6'
+        ).then(function (response) {
+            response.json().then(function (result) {
+                const polyline = result.routes[0].geometry;
+                const routeGeom = new ol.format.Polyline({
+                    factor: 1e6,
+                }).readGeometry(polyline, {
+                    dataProjection: 'EPSG:4326',
+                    featureProjection: map.getView().getProjection(),
+                });
+
+                const routeFeature = new ol.Feature({
+                    geometry: routeGeom,
+                    name: 'Route ' + (index + 1)
+                });
+
+                const vectorLayer = new ol.layer.Vector({
+                    source: new ol.source.Vector({
+                        features: [routeFeature]
+                    }),
+                    style: new ol.style.Style({
+                        stroke: new ol.style.Stroke({
+                            color: colors[index],
+                            width: 4
+                        })
+                    })
+                });
+
+                map.addLayer(vectorLayer);
+
+                vectorLayer.setZIndex(1);
+            });
+        });
+    });
+
+    map.addLayer(centerLayer);
+    </script>
+</body>
+</html>