R3: Lane Usage and Turns

Learn the meaning of lane usage and turns signs. Compare the pictures, read the driving guidance and follow the linked official sources.

Sign explanations are currently available in English.

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37 signs in this collection. Every sign’s meaning is free to read; a free account opens the full explanation. Study counts cover unique published English materials across all states; availability depends on your state and access plan.

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37 signs

Advance intersection lane control (2 lanes)

R3-8

Meaning & what to do

Begin

R3-9cP

Meaning & what to do

End

R3-9dP

Meaning & what to do

Preferential lane ahead

R3-12f

Meaning & what to do

Preferential lane ends

R3-12g

Meaning & what to do

HOV restriction ends (overhead)

R3-15c

Meaning & what to do

Bike lane

R3-17

Meaning & what to do

Ahead

R3-17aP

Meaning & what to do

Ends

R3-17bP

Meaning & what to do

All turns from right lane

R3-23

Meaning & what to do

U-turn from right lane

R3-23a

Meaning & what to do

All turns (exit to the right)

R3-24

Meaning & what to do

U and left turns (exit to the right)

R3-24a

Meaning & what to do

U-turn (exit to the right)

R3-24b

Meaning & what to do

All turns (turn right)

R3-25

Meaning & what to do

U and left turns (turn right)

R3-25a

Meaning & what to do

U-turn (turn right)

R3-25b

Meaning & what to do

U and left turns (go straight)

R3-26

Meaning & what to do

U-turn (go straight)

R3-26a

Meaning & what to do

Pay toll

R3-29P

Meaning & what to do

Take ticket

R3-30P

Meaning & what to do

No turns

R3-3

Meaning & what to do

Through only (lane)

R3-5a

Meaning & what to do

Reversible lane begins ahead

R3-9h

Meaning & what to do

No left turn

R3-2

Meaning & what to do

No U-turn

R3-4

Meaning & what to do

No right turn

R3-1

Meaning & what to do

Lane must exit

R3-33

Meaning & what to do

Two-way left-turn only (overhead)

R3-9a

Meaning & what to do

Two-way left-turn only (post-mounted)

R3-9b

Meaning & what to do

No straight through

R3-27

Meaning & what to do

Vehicle occupancy definition

R3-10

Meaning & what to do

No U-turn or left turn

R3-18

Meaning & what to do

Advance intersection lane control (3 lanes, shared center)

R3-8a

Meaning & what to do

Advance intersection lane control (3 lanes)

R3-8b

Meaning & what to do

Reversible lane control (overhead)

R3-9e

Meaning & what to do

Reversible lane control (post-mounted)

R3-9f

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.

Sources checked October 27, 2026. Current guide illustrations: public-domain FHWA Standard Highway Signs. Historical illustrations: DMV One Way archive.