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MUTCD 11th Edition
- ORT—open-road tolling
- PCMS—portable changeable message sign
- PRT—perception-response time
- RRFB—rectangular rapid-flashing beacon
- RV—recreational vehicle
- SAE—Society of Automotive Engineers
- SHV—Specialized Hauling Vehicle
- SPF—safety performance function
- TA—Typical Application
- TDD—telecommunication device for the deaf
- TRB—Transportation Research Board
- TTC—temporary traffic control
- U.S.—United States
- U.S.C.—United States Code
- USDOT—United States Department of Transportation
- UVC—Uniform Vehicle Code
- VPH or vph—vehicles per hour
- V2I—vehicle-to-infrastructure
Sect. 1C.03
December 2023
