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Iowa Road Signs Guide (2026)

Every shape and color you'll see on the Iowa permit test, with what each one means in plain English.

Signs questions appear throughout the Iowa test. Memorize signs by shape and color so you can answer fast. Red and octagonal means stop. Yellow diamonds warn of hazards ahead. Orange diamonds mean a work zone. White rectangles state the law. Brown signs point to parks and recreation areas.

Sign shapes & what they mean

STOP

Stop — red octagon

Full stop. Eight sides means “stop” even if the word is hidden.

YIELD

Yield — downward triangle

Slow down; let cross traffic or pedestrians go first.

Warning — yellow diamond

Hazard ahead: curve, school zone, deer, slippery road.

School zone — pentagon

5-sided fluorescent green for school zones and crossings.

RR

Railroad — round

Train tracks ahead. Look both ways; expect stopped traffic.

No passing — pennant

Sideways triangle on the left of the road. No-passing zone begins.

SPEEDLIMIT65

Regulatory — white rectangle

Speed limit, no parking, lane use, do-not-enter rules.

EXIT 12

Guide — green rectangle

Directions, distances, exits, mile markers.

Construction — orange

Work zone or maintenance ahead. Expect lane shifts and reduced speeds.

H

Services — blue

Driver services: hospital, fuel, food, lodging, rest area.

PARK

Recreation — brown

Parks, scenic routes, historic sites, public recreation.

Do not enter — red round

Wrong way. Stop, do not enter. Turn around safely.

Now test your Iowa road-sign knowledge

Five questions pulled from our road-signs question bank. Answer to see the correct choice + explanation. For a full timed exam, take the free practice test.

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Take the full Iowa practice test →