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Lane use and destination sign

D15-1 / Guide signs

This guide sign combines a route, its direction and the lane you need to take.

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Lane use and destination sign (D15-1)
Advance intersection lane control (2 lanes) sign (R3-8)

Advance intersection lane control (2 lanes)

R3-8

Meaning & what to do
Through only (lane) sign (R3-5a)

Through only (lane)

R3-5a

Meaning & what to do
US route sign (M1-4)

US route

M1-4

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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