Speed Limit sign

MUTCD code R2-1 · Regulatory sign · Source: MUTCD 11th Edition, Section 2B.21

Test yourself

What does this white rectangular sign tell you?

• The maximum speed allowed by law
• The speed all drivers must travel
• A speed suggested only for trucks

Show the answer

The maximum speed allowed by law

The sign shows the speed limit. Bad weather or heavy traffic can call for a lower speed.

Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2B.21; California Driver's Handbook, Section 8, Safe Driving (continued); Arizona Driver License Manual and Customer Service Guide, Section 3, Roadway and Vehicle Knowledge: Speed Limits (p. 40); Regulatory Signs (p. 41); Tennessee Comprehensive Driver License Manual, Section B, Chapter 3, Traffic Signs and Signals: Speed Control (p. 37)

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More regulatory signs

• Stop
• Yield
• Do Not Enter
• Wrong Way
• No U-Turn
• No Right Turn
• No Left Turn
• Keep Right
• One Way
• No Turn on Red
• Do Not Pass
• Grade Crossing (Crossbuck)
• Road Closed
• Left Turn Only
• Right Lane Must Turn Right
• Two-Way Left Turn Only
• No Pedestrians or Bicycles
• No Trucks
• No Bicycles
• No Parking Any Time
• No Parking (symbol)
• No Pedestrian Crossing (symbol)
• No Turns
• Keep Left
• No U-Turn or Left Turn
• One Way (vertical)

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DMV Decoded is an independent guide, not a government agency. Check your state's driver handbook for the signs on its test.