When defining roadtypes for ambient speeds, the following road type enumerations can be used:
- access way
- back road
- connector
- ferry
- footpath
- limited access dense urban
- limited access rural
- limited access suburban
- limited access urban
- local road dense urban
- local road rural
- local road suburban
- local road urban
- major local road dense urban
- major local road rural
- major local road suburban
- major local road urban
- major road dense urban
- major road rural
- major road suburban
- major road urban
- minor local road dense Urban
- minor local road rural
- minor local road suburban
- minor local road urban
- normal road dense urban
- normal road rural
- normal road rural
- normal road urban
- primary highway dense urban
- primary highway rural
- primary highway suburban
- primary highway urban
- ramp dense urban
- ramp limited access
- ramp major road
- ramp primary highway
- ramp rural
- ramp secondary highway
- ramp urban
- ramp suburban
- secondary highway dense urban
- secondary highway rural
- secondary highway suburban
- secondary highway urban