Update sensor_graph/README.md

sensor_graph/README.md

@@ -4,8 +4,8 @@ This directory contains spatial information about the traffic sensors used in th
 
 ## Files
 
-- `graph_sensor_locations.csv`: Sensor coordinates (latitude, longitude) for 207 sensors
-- `distances_la_2012.csv`: Pairwise distances between sensors in meters
+- `sensor_locations.csv`: Sensor coordinates (latitude, longitude) for 207 sensors
+- `distances.csv`: Pairwise distances between sensors in meters
 - `adj_mx.npy`: Pre-computed adjacency matrix (207×207) for graph neural networks
 - `adj_mx_mapping.json`: Metadata and parameters used to generate the adjacency matrix