StacksVerified U.S. regulatory reference

25 CFR §170.121

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Information on designing and operating a toll highway, bridge or tunnel is available from the International Bridge, Tunnel and Turnpike Association. The Association publishes a variety of reports, statistics, and analyses. The Web site is located at http://www.ibtta.org. Information is also available from FHWA.