- Class 1 Bikeway (Bike Path): Provides a completely separated right of way for the exclusive use of bicycles and pedestrians with crossflow by motorists minimized.
- Class 2 Bikeway (Bike Lane): Provides a striped lane for one-way bike travel on a street or highway.
- Class 3 Bikeway (Bike Route): Provides for shared use with pedestrian or motor vehicle traffic.
http://en.wikipedia.org/wiki/List_of_San_Diego_bike_paths