Skip to content

W1: Curves and Turns

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

Sign explanations are currently available in English.

Explore these signs

16 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.

16 signs

270-degree loop sign (W1-15)

270-degree loop

W1-15

Meaning & what to do
Sharp turn sign (W1-1)

Sharp turn

W1-1

Meaning & what to do
Curve with side road sign (W1-10)

Curve with side road

W1-10

Meaning & what to do
Curve with crossroad sign (W1-10a)

Curve with crossroad

W1-10a

Meaning & what to do
Curve with straight-ahead road sign (W1-10b)

Curve with straight-ahead road

W1-10b

Meaning & what to do
Reverse curve with side road sign (W1-10d)

Reverse curve with side road

W1-10d

Meaning & what to do
Reverse curve with crossroad sign (W1-10e)

Reverse curve with crossroad

W1-10e

Meaning & what to do
Hairpin curve sign (W1-11)

Hairpin curve

W1-11

Meaning & what to do
Truck rollover sign (W1-13)

Truck rollover

W1-13

Meaning & what to do
Curve sign (W1-2)

Curve

W1-2

Meaning & what to do
Reverse turn sign (W1-3)

Reverse turn

W1-3

Meaning & what to do
Reverse curve sign (W1-4)

Reverse curve

W1-4

Meaning & what to do
Winding road sign (W1-5)

Winding road

W1-5

Meaning & what to do
One-direction large arrow sign (W1-6)

One-direction large arrow

W1-6

Meaning & what to do
Two-direction large arrow sign (W1-7)

Two-direction large arrow

W1-7

Meaning & what to do
Chevron alignment sign (W1-8)

Chevron alignment

W1-8

Meaning & what to do
Historical Combined turn and advisory speed sign (W1-1a)

Combined turn and advisory speed sign

W1-1a Outdated standard

What changed
Historical Combined curve and advisory speed sign (W1-2a)

Combined curve and advisory speed sign

W1-2a Outdated standard

What changed

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 . Current guide illustrations: public-domain FHWA Standard Highway Signs. Historical illustrations: DMV One Way archive.