MUTCD Traffic Control Requirements
The controlling numbers from the Manual on Uniform Traffic Control Devices, 11th Edition (FHWA, 2023) — a U.S. government publication — with section citations to mutcd.fhwa.dot.gov.
MUTCD Sign Height & Placement — Mounting, Offset & Retroreflectivity
Where a sign goes is standardized by Chapter 2A of the MUTCD, 11th Edition. The numbers crews use daily: 7 feet to the bottom of the sign in urban are…
MUTCD Regulatory Signs — STOP, YIELD, All-Way & Speed Limit Rules
Regulatory signs — the ones that carry legal force — live in Chapter 2B of the MUTCD, 11th Edition. STOP, YIELD, all-way stop control, and speed limit…
MUTCD Warning Signs — Curves, Chevrons & Advance Placement
Warning signs — the yellow diamonds — are Chapter 2C of the MUTCD, 11th Edition. Selection is driven by the difference between the posted speed and th…
MUTCD Work Zone Requirements — Tapers, Flaggers & Buffer Space
Temporary traffic control is Part 6 of the MUTCD, 11th Edition. Every work zone has the same four parts — advance warning, transition, activity, and t…
States adopt the national MUTCD or a conforming state manual — some are still on the 2009 edition with different section numbers. For state DOT construction specs, see the DOT specifications library.