Mackinac Bridge and Straits of Mackinac
Recreation, Roads and Highways, Bridges and Tunnels, North America - Straits of Mackinac and Mackinac Bridge. Private page which includes photographss, related facts, and links.
http://mightymac.org/
LeeWay - Start Saving Today!
Recreation, Roads and Highways, Bridges and Tunnels, North America - LeeWay. The electronic toll collection system for the bridges in Lee County in Southwest Florida.
https://www.leewayinfo.com/
The Port Authority of New York & New Jersey
Recreation, Roads and Highways, Bridges and Tunnels, North America - The Port Authority of New York New Jersey. Manages bridges, tunnels, airports and transit in New York City and Northern New Jersey.
https://www.panynj.gov/port-authority/en/index.html
Descriptive histories.
bostonroads.com is the ultimate resource for highways, bridges, and tunnels in Massachusetts, Rhode Island, and New Hampshire. In addition to historic research, bostonroads.com provides links to exit lists and current traffic conditions.
http://www.bostonroads.com/