Interchanges of the licensed national road network

This dataset makes it possible to locate all interchanges of the licensed national road network.

Each exchanger is defined by:

• the name of the motorway to which it is attached
• its location expressed by a road marking system composed of two attributes:
  pr = Road reference point
  abs = abscissa or distance (in metres) between the point of the RP to which it relates
• its name
• its date of entry into service
• its nature: Diffuser or motorway node (bifurcation)
• its shape: trumpet, rhombus...
• its functionality: partial or complete
• the number of shoulder straps
• the District
• the Staff Regulations
• the motorway company