Skip to content

Reversible lane begins ahead sign

R3-9h / Regulatory signs

Posted in advance, this sign warns that a reversible lane begins a short…

Sign in to read the rest. It’s free, all you need is an account.

Reversible lane begins ahead sign (R3-9h)
Begin sign (R3-9cP)

Begin

R3-9cP

Meaning & what to do
Reversible lane control (overhead) sign (R3-9e)

Reversible lane control (overhead)

R3-9e

Meaning & what to do
Reversible lane control (post-mounted) sign (R3-9f)

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.

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

All road signs
DMV One WaySay hello
© 2026 DMV One Way

An independent learning resource. Not affiliated with a DMV or any government agency.

EN · ES · FR