MUTCD GUIDE

Navigate the Manual on Uniform Traffic Control Devices

The complete reference for traffic signs, signals, markings, and work zone safety.
Free guides covering all 9 parts — powered by AI.

COVERING ALL 9 PARTS — 11TH EDITION (2023) — FREE AI-POWERED REFERENCE — 100% FREE

Explore the MUTCD

The MUTCD is organized into 9 parts. Select a topic or ask the AI assistant below.

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Part 2: Signs

Regulatory, warning, and guide signs. Colors, sizes, retroreflectivity, and placement.

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Part 3: Markings

Pavement markings, curb markings, object markers, and delineators.

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Part 4: Signals

Traffic signals, pedestrian signals, warrants, timing, and beacons.

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Part 6: Work Zones

Temporary traffic control for construction and maintenance zones.

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Part 7: School Areas

School zone signs, crosswalks, crossing guards, and speed zones.

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Part 8: Railroad

Crossbuck signs, advance warnings, gate arms, and grade crossing safety.

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MUTCD Assistant

Ask me anything about the MUTCD — signs, signals, markings, and more

AI

Hi! I’m the MUTCD Assistant — your guide to the Manual on Uniform Traffic Control Devices. 📋

I can help you with:

  • Sign requirements (sizes, colors, retroreflectivity)
  • Pavement marking standards
  • Work zone traffic control (Part 6)
  • School zone and railroad crossing requirements
  • Compliance dates and 11th Edition changes

What would you like to know?

What sign retroreflectivity is required? Work zone sign requirements School zone speed limit signs What changed in the 11th Edition?
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