The sign library

Every sign, explained on its own page.

48 signs so far, each with its meaning, what to do, a memory trick, and the mistake drivers make with it. Start anywhere; every page links onward. New signs are added as they are drawn and verified.

Regulatory

The law, posted. Red and white signs give orders you must follow.

STOP

STOP

Red · Octagon (8 sides)

YIELD

YIELD

Red and white · Triangle, point down

DO NOTENTER

DO NOT ENTER

Red and white · Square with a red circle

WRONGWAY

WRONG WAY

Red · Horizontal rectangle

ONE WAY

ONE WAY

Black and white · Horizontal rectangle with arrow

SPEEDLIMIT55

SPEED LIMIT

White · Vertical rectangle

NO U-TURN

White with red circle · Square

NO LEFT TURN

White with red circle · Square

NO RIGHT TURN

White with red circle · Square

NOTURNONRED

NO TURN ON RED

White · Vertical rectangle

P

NO PARKING

White with red · Vertical rectangle

KEEPRIGHT

KEEP RIGHT

Black and white · Vertical rectangle

ONLY

LEFT TURN ONLY

Black and white · Vertical rectangle

Warning

Yellow tells you what the road is about to do. Read it early, act early.

NO

NO PASSING ZONE

Yellow · Pennant (sideways triangle)

SIGNAL AHEAD

Yellow · Diamond

STOP AHEAD

Yellow · Diamond

YIELD AHEAD

Yellow · Diamond

CURVE AHEAD

Yellow · Diamond

WINDING ROAD

Yellow · Diamond

MERGE

Yellow · Diamond

LANE ENDS

Yellow · Diamond

DIVIDED HIGHWAY

Yellow · Diamond

TWO-WAY TRAFFIC

Yellow · Diamond

SLIPPERY WHEN WET

Yellow · Diamond

9%

HILL / STEEP GRADE

Yellow · Diamond

PEDESTRIAN CROSSING

Fluorescent yellow-green · Diamond or pentagon area

SCHOOL ZONE

Fluorescent yellow-green · Pentagon (5 sides)

SCHOOL CROSSING

Fluorescent yellow-green · Pentagon with arrow plaque

DEER CROSSING

Yellow · Diamond

BICYCLE CROSSING

Yellow · Diamond

RR

RAILROAD CROSSING AHEAD

Yellow · Circle

RAILROADCROSSING

RAILROAD CROSSBUCK

White · X (crossbuck)

12′-6″

LOW CLEARANCE

Yellow · Diamond

NARROW BRIDGE

Yellow · Diamond

CROSSROAD AHEAD

Yellow · Diamond

T-INTERSECTION

Yellow · Diamond

ROUNDABOUT AHEAD

Yellow · Diamond

Work zone

Orange means people are working on the road. Slow down; fines usually double.

ROADWORKAHEAD

ROAD WORK AHEAD

Orange · Diamond

FLAGGER AHEAD

Orange · Diamond

DETOUR

DETOUR

Orange · Horizontal rectangle with arrow

ENDROAD WORK

END ROAD WORK

Orange · Horizontal rectangle

Guide & services

Green guides you, blue helps you, brown takes you to the scenic world.

INTERSTATE95

INTERSTATE SHIELD

Blue and red · Shield

EXIT 25Riverside Dr1 MILE

EXIT SIGN

Green · Horizontal rectangle

H

HOSPITAL

Blue · Square

REST AREANEXT RIGHT

REST AREA

Blue · Horizontal rectangle

GAS / SERVICES

Blue · Square

RECREATION AREA

Brown · Rectangle

MILE124

MILE MARKER

Green · Small vertical rectangle

Learn the system behind the signs.

Memorizing signs one by one is the slow way. The codes underneath them, eight colors and eight shapes, are the fast way.

Start here

The color and shape codes

Read any sign from its outline alone, at night, at speed, even covered in snow.

Learn the codes →
All topics

Explore the Learning Center

Six free lessons that cover the whole written test, with your progress saved.

See all lessons →
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