North America
- 121
- Philadelphia Area Roads, Crossings and Exits
- History and current information on the highway and bridge system in the Philadelphia metropolitan area.
- 122
- Greater New York Roads
- Covers many types of facilities including bridges in the New York City metropolitan area. Includes photographs, exit lists, and maps.
- 124
- Niagara Heritage Partnership
- A plan to eliminate the Robert Moses Parkway in greater Niagara Falls/Buffalo. Petition, plans, and press coverage.
- 131
- Duck Creek Road
- Overview of this and other area streets in Cincinnati which were altered to accommodate the construction of Interstate 71.
- 132
- Ohio Turnpike Commission
- Official page. Includes Turnpike toll rates and construction information.
- 133
- The Ohio Regional Road Pages
- Coverage of each region of the state including photographs, history, and links.
- 134
- OKHighways.com
- Includes photographs, route guides, and focus pages covering Oklahoma City and Tulsa.
- 135
- Oklahoma Highways
- Documents the history of highway development in Oklahoma from the earliest state routes to US highways.