The map shows three key layers (see for a detailed description of these layers):

  1. The Existing cycleways layer provides an approximation of where cycling infrastructure exists currently (based on OpenStreetMap data downloaded in May 2020) and is intended to help identify gaps in the existing network that could be filled with new interventions (data stored as cycleways.geojson).
  2. The Top ranked new cycleways layer is the central result of the analysis, providing a list of roads that have high cycling potential, a minimum threshold length, and spare space according to our definition. These may be strong candidates for reallocation of road space immediately or in the near future to create new cycleways on strategic corridors under the Emergency Active Travel Fund (data stored as top_routes.geojson).
  3. The Cohesive network layer is intended to show what a joined-up cycle network could look like if we were to consider new cycleways by either closing roads to motorised traffic or creating one-way systems. Composed of roads that have high cycling potential on some or all of their length, the layer is designed to guide long term planning, alongside pre-existing plans (data stored as cohesive_network.geojson).

To see additional layers showing road sections with ‘spare lanes’ (data stored as spare_lanes.geojson) and width an estimated width of greater than 10 m (data stored as wide_lanes.geojson), click on the layers icon in the top left, just below the +/- buttons on the map.

See full map here, and a more description of the layers and the methodology at

The table below shows the top 20 roads, in terms of cycling potential and spare space criteria outlined on the landing page. The length refers to the continuous length of road. Cycling potential represents the average combined number of commute and school cycle trips that would use the road each morning under the Government Target scenario in the PCT. ‘Length * potential’ is the length of the road multiplied by its average cycling potential.