Recreation, Roads and Highways, Toll and Automated - International Bridge, Tunnel and Turnpike Association. Alliance of toll operators and associated industries.
Recreation, Roads and Highways, Signs and Signals - Manual on Uniform Traffic Control Devices. The standard for signs, signals, and pavement markings in the United States.
Recreation, Roads and Highways, Route 66 - Route 66 Association of Illinois. A group devoted to the preservation and promotion of Historic Route 66 in Illinois.
The oldest website on Route 66 contains all a traveller needs for his trip down old Route 66. This includes detailed turn-by-turn driving instructions down the Mother Road. A forum is available to answer questions regarding travel on route 66.