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A recent ( 2015 ) application of europium is in quantum memory chips which can reliably store information for days at a time ; these could allow sensitive quantum data to be stored to a hard disk @-@ like device and shipped around the country .
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= = Precautions = =
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There are no clear indications that europium is particularly toxic compared to other heavy metals . Europium chloride , nitrate and oxide have been tested for toxicity : europium chloride shows an acute intraperitoneal LD50 toxicity of 550 mg / kg and the acute oral LD50 toxicity is 5000 mg / kg . Europium nitrate sho...
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= North @-@ Eastern Area Command ( RAAF ) =
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North @-@ Eastern Area Command was one of several geographically based commands raised by the Royal Australian Air Force ( RAAF ) during World War II . For most of its existence it covered central and northern Queensland , and Papua New Guinea . It was formed in January 1942 from the eastern part of the former Norther...
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= = History = =
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= = = World War II = = =
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North @-@ Eastern Area Command was formed at Townsville , Queensland , on 15 January 1942 , taking over the eastern portion of what was previously Northern Area Command . Northern Area had been established on 8 May 1941 as one of the RAAF 's geographically based command @-@ and @-@ control zones , and covered northern...
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The outbreak of the Pacific War in December 1941 was the catalyst for Northern Area being split into North @-@ Western Area ( NWA ) and North @-@ Eastern Area ( NEA ) , to counter distinct threats to Northern Australia and New Guinea , respectively . Air Commodore Frank Lukis , formerly in charge of Northern Area , wa...
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No. 33 Squadron , operating ex @-@ Qantas Short Empire flying boats and several smaller transports , was raised in NEA on 19 February 1942 . Earlier that month , Lukis warned higher command of the poor state of preparedness and low morale of Australian Army troops at Port Moresby , due to lack of air cover and apparen...
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Several USAAF bomber formations operated under NEA 's control in early 1942 , including A @-@ 24 Banshees of the 8th Squadron from Port Moresby , and B @-@ 17 Flying Fortresses of the 435th Squadron ( initially known as the " Kangaroo Squadron " ) from Townsville . As of 20 April , operational authority over all RAAF ...
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NEA 's operational headquarters , a reinforced concrete bunker known as Building 81 , was completed in May 1942 . Located on Green Street , Townsville , at the base of Castle Hill , it was topped with a suburban house to mislead enemy aircraft . The same month , Eastern Area Command was formed , taking control of unit...
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On 1 September 1942 , No. 9 ( Operational ) Group was formed at Port Moresby as a mobile strike force to move forward with Allied advances in the Pacific , in contrast to the static , defensive nature of the area commands . It took over all units in New Guinea previously operating under NEA Command . NEA initially ret...
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In early 1943 , Japan was still believed to be capable of invading , or at least bombing , the Torres Strait islands , and NEA had only No. 7 Squadron , now operating from Horn Island , to counter the threat . It was reinforced in April by No. 84 Squadron , flying CAC Boomerang fighters . The same month , No. 72 Wing ...
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Cobby served as AOC NEA until November 1943 , handing over to Air Commodore John Summers , who held command for the remainder of the war . By the end of November , NEA headquarters staff numbered 499 , including ninety @-@ seven officers . NEA 's Catalinas joined aircraft of No. 9 Group in support of the US invasion o...
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= = = Post @-@ war activity and disbandment = = =
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Following the end of the Pacific War in August 1945 , SWPA was dissolved and RAAF Headquarters again assumed full control of all its operational formations , including the area commands . By the end of the month , NEA headquarters staff numbered 526 , including ninety @-@ eight officers . The Air Force shrank dramatic...
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Commencing in October 1953 , the RAAF was reorganised from a geographically based command @-@ and @-@ control system into one based on function . In February 1954 , the newly constituted functional organisations — Home , Training , and Maintenance Commands — assumed control of all operations , training and maintenance...
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As of 2009 , the former NEA headquarters in Building 81 , Green Street , housed Townsville 's State Emergency Service group .
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= = Order of battle = =
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As at 30 April 1942 , NEA 's order of battle comprised :
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RAAF Station Townsville
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No. 24 ( General Purpose ) Squadron
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No. 33 ( Transport ) Squadron
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No. 76 ( Fighter ) Squadron
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RAAF Station Amberley
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No. 23 ( General Purpose ) Squadron
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RAAF Station Port Moresby
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No. 11 ( General Reconnaissance ) Squadron
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No. 20 ( General Reconnaissance ) Squadron
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No. 32 ( General Reconnaissance ) Squadron
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No. 75 ( Fighter ) Squadron
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No. 3 Fighter Sector Headquarters , Townsville
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No. 4 Fighter Sector Headquarters , Port Moresby
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= Cape lobster =
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The Cape lobster , Homarinus capensis , is a species of small lobster that lives off the coast of South Africa , from Dassen Island to Haga Haga . Only a few dozen specimens are known , mostly regurgitated by reef @-@ dwelling fish . It lives in rocky reefs , and is thought to lay large eggs that have a short larval p...
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= = Distribution and ecology = =
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The Cape lobster is endemic to South Africa . It occurs from Dassen Island , Western Cape in the west to Haga Haga , Eastern Cape in the east , a range of 900 kilometres ( 560 mi ) . Most of the known specimens were regurgitated by fish caught on reefs at depths of 20 – 40 metres ( 66 – 131 ft ) . This suggests that t...
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= = Description = =
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Homarinus capensis is considerably smaller than the large northern lobsters of the Atlantic Ocean , Homarus gammarus ( the European lobster ) and Homarus americanus ( the American lobster ) , at 8 – 10 centimetres ( 3 @.@ 1 – 3 @.@ 9 in ) total length , or 4 – 5 cm ( 1 @.@ 6 – 2 @.@ 0 in ) carapace length . Accounts o...
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Homarinus and Homarus are considered to be the most plesiomorphic genera in the family Nephropidae . Nonetheless , the Cape lobster differs from Homarus in a number of characters . The rostrum of the Cape lobster is flattened , while that of Homarus is rounded in section , and curves upwards at the tip . The three pai...
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= = Taxonomy and evolution = =
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Cape lobsters are elusive and rare , with only fourteen specimens having been collected between 1792 ( the date of its first description ) and 1992 . These include five males in the collections of the South African Museum ( Cape Town ) , two in the Natural History Museum ( London ) , one in each of the East London Mus...
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The Cape lobster was first described by Johann Friedrich Wilhelm Herbst in 1792 as Cancer ( Astacus ) capensis . It was independently described in 1793 by Johan Christian Fabricius as Astacus flavus , possibly based on the same type specimen . When Friedrich Weber erected the genus Homarus in 1795 , he included Fabric...
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While analyses of morphology suggest a close relationship between Homarinus and Homarus , molecular analyses using mitochondrial DNA reveal that they are not sister taxa . Both genera lack ornamentation such as spines and carinae , but are thought to have reached that state independently , through convergent evolution...
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= A4232 road =
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The A4232 , which is also known either as the Peripheral Distributor Road ( PDR ) ( Welsh : Ffordd Ddosbarthu Ymylol ) or the Cardiff Link Road ( Welsh : Ffordd Gyswllt Caerdydd ) , is a distributor road in Cardiff , the capital of Wales .
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The first section of the PDR to be completed was the Southern Way Link Road in 1978 and the last section was the Butetown Link Road in 1995 . Construction of the first phase of the final link road , the Eastern Bay Link Road , started on 17 March 2016 and is due to be completed by April 2017 . When fully completed , t...
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The PDR has been constructed in separate link roads of between 1 @.@ 61 km ( 1 @.@ 00 mi ) and 5 @.@ 47 km ( 3 @.@ 40 mi ) around Cardiff and to date 22 kilometres ( 14 mi ) including spurs have been opened to traffic , with plans for a further 5 @.@ 53 km ( 3 @.@ 44 mi ) . It has 4 large viaducts ( Ely Viaduct , Gran...
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= = History = =
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The road was conceived in the early 1970s and planning began in the late 1970s , by South Glamorgan County Council . The road at that stage was planned to be completed by 1995 and would relieve Ely , Grangetown , Butetown and East Moors of through traffic and as a fast link to the national motorway network via the M4 ...
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The former chairman of the South Glamorgan County Council environment committee , Councillor Paddy Kitson , called the road a " necklace of opportunity " due to its shape and also the opportunities for regeneration . By 1 April 1996 the responsibility for the road was transferred from South Glamorgan County Council to...
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= = Route description = =
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The PDR has 3 separate sections ; the Capel Llanilltern Interchange ( M4 J33 ) to Queen 's Gate roundabout , the Rover Way – Lamby Way roundabout to the Llanedeyrn Interchange ( A48 ) and the Pontprennau Interchange ( A48 ) to the Pentwyn Interchange ( M4 J30 ) .
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The section from the Capel Llanilltern Interchange on the M4 ( junction 33 ) to the Queen 's Gate roundabout is sometimes referred to as the Western Link Road ( Welsh : Ffordd Gyswllt Gorllewin ) , is 15 @.@ 77 kilometers ( 9 @.@ 80 mi ) in length and includes the Capel Llanilltern – Culverhouse Cross Link Road , Ely ...
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This section partly opened in 1978 , from the Rover Way – Lamby Way roundabout to the Llanedeyrn Interchange on the A48 is oldest section of the PDR . It includes only the Southern Way Link Road , known locally as Southern Way , and is 2 @.@ 25 km ( 1 @.@ 40 mi ) in length .
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The Pentwyn Link Road section from the Pontprennau Interchange on the A48 to the Pentwyn Interchange on the M4 ( junction 30 ) is one of the newer sections of the PDR , having been opened in 1984 , it is 1 @.@ 61 km ( 1 @.@ 00 mi ) in length . The road between the Llanedeyrn Interchange to the Pontprennau Interchange ...
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= = Link roads = =
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A map of all the link roads and spur roads can be seen by clicking Map of all coordinates opposite
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Each section of the road was completed in separate link roads .
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= = = Capel Llanilltern – Culverhouse Cross Link Road = = =
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The GB £ 14 @.@ 5 million Capel Llanilltern – Culverhouse Cross Link Road ( Welsh : Ffordd Gyswllt Capel Llanilltern – Croes Cwrlwys ) , also known as the A4232 Trunk Road ( as it is the only section of the PDR which is a trunk road ) , between the Capel Llanilltern Interchange ( 51 @.@ 506481 ° N 3 @.@ 310425 ° W  /...
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= = = = Ely Viaduct = = = =
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The Ely Viaduct ( Welsh : Traphont Trelái ) crosses over the River Ely and also the main South Wales railway line .
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The viaduct is a 538 ft ( 164 m ) twin @-@ box girder and has central span of 230 ft ( 70 m ) and 150 ft ( 46 m ) side spans , constructed by the balanced cantilever method . It was constructed in segments each weighing between 54 tons for plain segments to 93 tons for the main segments .
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= = = Ely Link Road = = =
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The Ely Link Road ( Welsh : Ffordd Gyswllt Trelái ) between the Culverhouse Cross Interchange ( 51 @.@ 465840 ° N 3 @.@ 269895 ° W  / 51 @.@ 465840 ; -3.269895  ( Culverhouse Cross Interchange ) ) and the Leckwith Interchange ( 51 @.@ 470641 ° N 3 @.@ 211762 ° W  / 51 @.@ 470641 ; -3.211762  ( Leckwith Interchange...
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= = = Grangetown Link Road = = =
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The 2 @.@ 89 km ( 1 @.@ 80 mi ) Grangetown Link Road ( Welsh : Ffordd Gyswllt Trelluest ) between the Leckwith Interchange ( 51 @.@ 470159 ° N 3 @.@ 211239 ° W  / 51 @.@ 470159 ; -3.211239  ( Leckwith Interchange ) ) and the Ferry Road Interchange ( 51 @.@ 453510 ° N 3 @.@ 185760 ° W  / 51 @.@ 453510 ; -3.185760  ...
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= = = = Grangetown Viaduct = = = =
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The Grangetown Viaduct ( Welsh : Traphont Trelluest ) is approximately 1 km ( 0 @.@ 62 mi ) in length and is said to be the longest glued segmental bridge in the United Kingdom . It has 13 spans of 71 meters ( 233 ft ) with 2 end spans of 38 m ( 125 ft ) and 46 m ( 151 ft ) .
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The viaduct was designed by South Glamorgan County Council . Robert Benaim and Associates , now called Benaim UK Ltd designed the initial launching system for the glued segmental structure .
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= = = Butetown Link Road = = =
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The 2 @.@ 57 km ( 1 @.@ 60 mi ) Butetown Link Road ( Welsh : Ffordd Gyswllt Butetown ) between the Ferry Road Interchange ( 51 @.@ 453585 ° N 3 @.@ 184044 ° W  / 51 @.@ 453585 ; -3.184044  ( Ferry Road Interchange ) ) and the Queen 's Gate Roundabout ( 51 @.@ 467873 ° N 3 @.@ 157455 ° W  / 51 @.@ 467873 ; -3.157455...
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In 1987 South Glamorgan County Council had intended to build a viaduct cross the River Taff and then go onto an elevated section through Butetown " on stilts " . But the newly formed Cardiff Bay Development Corporation along with local residents objected to the scheme that they said would cut through Butetown and spli...
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The contract to build the Butetown Link Road was eventually won by a local company Davies Middleton & Davies Ltd in a joint venture with an Italian contractor , Cogefar @-@ Impresit UK Ltd . The bid of £ 60 million undercut all other bids by £ 10 million , Davies Middleton & Davies Ltd have subsequently gone into admi...
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= = = = Queen 's Gate Tunnel = = = =
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The Queen 's Gate Tunnel ( Welsh : Twnnel Porth y Frenhines ) , also known as the Butetown Tunnel , is underneath southern Butetown and follows a line underneath the Wales Millennium Centre . The 715 m ( 2 @,@ 346 ft ) twin tunnel was constructed using the cut and cover method of construction , which involves digging ...
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South Glamorgan County Council originally awarded the contract for the management , installation , testing and commissioning of all electrical and mechanical services for the tunnel , and the water pumping stations to EI · WHS Ltd . They still maintain the tunnel on behalf of Cardiff Council .
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= = = = Taff Viaduct = = = =
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Construction of the 600 m ( 2 @,@ 000 ft ) Taff Viaduct ( Welsh : Traphont Tâf ) includes a dual @-@ carriageway roadway plus a foot and cycle path . South Glamorgan County Council was the local authority in charge of the project at the time and construction of the viaduct began in March , 1991 . The Taff Viaduct cros...
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The viaduct was constructed using precast concrete segments , which is widely used in the construction industry for medium to long span viaducts . Segments were made in a casting yard near the site and then transported for final assembly of the viaduct .
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= = = Eastern Bay Link Road = = =
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Construction began on 17 March 2016 on the 5 @.@ 25 km ( 3 @.@ 26 mi ) Eastern Bay Link Road ( Welsh : Ffordd Gyswllt Ddwyreiniol y Bae ) which will run from the Queen 's Gate Roundabout to the Rover Way – Lamby Way Roundabout on the Southern Way Link Road , although at present only the first phase between Queen 's Ga...
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For many years this link road has been mothballed due to the costs involved . The link road had previously been known as the East Moors Link Road – Phase 1 and 3 , but it also included the East Moors Viaduct , which was originally known as the East Moors Link Road – Phase 2 . Later it became known as the Cardiff Bay L...
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The Eastern Bay Link Road , along with other schemes have been subject to many planning proposals since the last link road ( the Butetown Link Road ) was finished in 1995 , namely a local transport plan ( Local Transport Plan 2000 – 2016 ) in August 2000 , a green paper ( A Change of Gear ) in December 2002 and a whit...
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The original route of the link road had been challenged by both Friends of the Earth Cymru , and also the Royal Society for the Protection of Birds ( RSPB ) , who had both lodged formal objections against the link road . However , the current proposal from Cardiff Council of 31 October 2006 is to complete the first ph...
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It was revealed on 14 June 2013 that Edwina Hart , Minister for Economy , Science and Transport in the WAG supported the completion the Eastern Bay Link Road . She said that the link road would ; improve access to Cardiff Bay , improve access to the Cardiff Central Enterprise Zone and enhance connections within the Ca...
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Increase accessibility from east Cardiff to major employment sites in the East Moors area , Cardiff Bay and the Central Cardiff Enterprise Zone
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Provide a more direct route between the Butetown Tunnel and Rover Way
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Reduce congestion at the junctions on Tyndall Street by removing traffic currently using the Ocean Way- East Tyndall Street – Central Link route
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Reduce journey times for private and commercial road users
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Help economic regeneration
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Enhance road safety and reduce casualties
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Improve resilience on the strategic road network around Cardiff
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Provide more opportunities for cycling and walking
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On 2 May 2014 , Edwina Hart approved the procurement of the design – build contractor , advance service diversion works and communications arrangements for the Eastern Bay Link Road . Construction of this first phase of the Eastern Bay Link Road is due to begin in 2015 and will take 18 months to complete . In April 20...
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= = = Southern Way Link Road = = =
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The Southern Way Link Road ( Welsh : Ffordd Gyswllt y Ffordd Deheuol ) , generally known simply as Southern Way , was built in two parts ; the first section of Southern Way to be completed was between Newport Road ( A4161 road ) and the Eastern Avenue ( A48 road ) in 1978 . The final section of the link road was built...
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= = = = East Moors Viaduct = = = =
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