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Reduced speed limit ahead sign

W3-5 / Warning signs

The speed limit drops ahead to the number shown.

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Reduced speed limit ahead sign (W3-5)
Speed limit sign (R2-1)

Speed limit

R2-1

Meaning & what to do
Maximum and minimum speed limits sign (R2-4a)

Maximum and minimum speed limits

R2-4a

Meaning & what to do
Speed zone ahead sign (W3-5a)

Speed zone ahead

W3-5a

Meaning & what to do

Sources & scope

Independent educational summaries by DMV One Way. Sign designs follow MUTCD conventions; state and local rules can add restrictions. Use your current state handbook and the signs on the road for the rules that apply to your trip.

This explanation has not been reviewed yet. Current guide illustrations: public-domain FHWA Standard Highway Signs. Historical illustrations: DMV One Way archive.

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