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Ohio · Knowledge test

Road signs for the Ohio permit test

Shape, color and symbol tell you what kind of sign you’re looking at. The Bureau of Motor Vehicles (BMV) doesn’t give a separate Ohio road signs test: traffic signs are one of the two subjects of the knowledge test, and Section 4 of the Digest explains them.

  • 6Sign groups in the Digest
  • OrangeThe color of work zone signs
  • DiamondThe usual shape of a warning sign
Free practice test

Updated November 2026 · Written from official sources, listed at the bottom of this page

Is there an Ohio road signs test?

Not on its own. The knowledge test is 40 multiple-choice questions about motor vehicle regulations and traffic signs, and the BMV doesn’t say what share are about signs. Section 4 of the Digest has the signs. Railroad crossings are in Section 5, and the slow-moving vehicle emblem is in Section 9.

Regulatory and prohibitory signs

Regulatory signs tell you the traffic law. On a prohibitory sign, the red circle with a slash means “no”, so the action shown is not allowed.

  • Red octagon with white border and the word STOP in whiteStop: all traffic in the lane stops
  • Downward-pointing red triangle with white center and the word YIELD in redYield: give way, and stop if traffic is coming
  • Red circle with a white horizontal bar on a white square, reading DO NOT ENTERDo not enter: one-way roads and freeway exit ramps
  • Black rectangle with a white arrow pointing right containing ONE WAYOne-way road
  • White sign: SCHOOL on fluorescent yellow-green, SPEED LIMIT 20, WHEN FLASHINGSchool zone speed limit, during the posted hours
  • Black left-turn arrow inside a red circle with a red slashNo left turn
  • Black U-turn arrow inside a red circle with a red slashNo U-turn
  • Black right-turn arrow inside a red circle with a red slashNo right turn

Warning signs

Warning signs are usually yellow diamonds with black letters or symbols, and they tell you about possible danger ahead.

  • Yellow diamond with three black arrows forming a counter-clockwise circleRoundabout ahead
  • Yellow diamond with a black arrow curving to the rightRoad curves ahead
  • Yellow diamond with a truck on a downhill slopeDownhill grade ahead
  • Yellow diamond with a black T symbolIntersection ahead: turn left or right
  • Yellow diamond with two black arrows, left pointing down and right pointing upTwo-way traffic
  • Yellow diamond reading ONE LANE BRIDGEOne-lane bridge: the vehicle nearest goes first
  • Yellow pennant pointing right reading NO PASSING ZONENo passing zone starts here
  • Yellow diamond with a black bicycleBicycle crossing
  • Yellow diamond reading LOW CLEARANCE 12 feet 6 inchesLimited clearance ahead
  • Yellow diamond with a black Y symbolRoad branches ahead
  • Yellow diamond with a black arrow making a sharp right turnSharp right turn ahead
  • Yellow diamond with a black walking personPedestrian crossing ahead
  • Round yellow sign with a black X and two letters RRailroad crossing ahead

Work zones, crossings and slow vehicles

Work zone signs have an orange background. Near one, slow down, follow the signs and any flagger, and watch for workers and equipment.

  • Orange diamond with a black worker digging with a shovelRoad workers ahead
  • Orange diamond with a black flagger symbol holding a flagFlagger ahead
  • Orange diamond reading ROAD WORK 1000 FTRoad work ahead
  • White X-shaped crossbuck reading RAILROAD CROSSINGRailroad crossbuck
  • Fluorescent orange triangle with a red reflective borderSlow-moving vehicle: under 25 mph

Guide and route signs

Guide signs are square or rectangular, in green, brown or blue. They point out services and places along the highway, give information on crossing roads and direct you to cities and towns. Route number signs show by their shape and color what kind of road you’re on: interstate, U.S., state, city, county or local.

  • Blue square with a white fuel pumpGas station ahead
  • Blue square with a white HHospital
  • Blue square with a white travel trailerCamping area
  • Blue sign reading REST AREA 1 MILERest area ahead
  • Interstate shield: red top band reading INTERSTATE, blue body with number 35Interstate route
  • Small green vertical sign reading MILE 8Milepost

Pavement markings

Lines on the road divide lanes, show where you may pass and mark turn lanes. White lines separate traffic going the same way, and yellow lines separate traffic going opposite ways.

  • Three-lane one-way road with broken white lines between the lanesBroken white: lanes going the same way
  • Two-way road divided by one solid yellow lineSolid yellow: traffic going opposite ways
  • Two-way road divided by two solid yellow lines; no passing in either directionDouble solid yellow: don’t drive left of it
  • Two-way road with a solid yellow line on the right-hand lane side and a broken yellow line beside it; no passing from the right-hand laneSolid on your side: no passing for you
  • Two-way road with a broken yellow center line; passing allowed when safeBroken yellow: pass when safe
  • Center lane bordered by solid yellow outer lines and broken yellow inner lines, with opposing left-turn arrowsTwo-way left turn only lane

Traffic signals

Treat a traffic light that isn’t working as a stop sign: Section 10 calls it a four-way stop.

  • Three-section traffic signal with the top red light litRed: stop before the intersection
  • Three-section traffic signal with the middle yellow light litYellow: about to turn red, prepare to stop
  • Three-section traffic signal with the bottom green light litGreen: go with caution if the way is clear
  • Arrow signal head with a green left arrow litGreen arrow: turn without stopping
  • Traffic signal with the yellow light lit and flash marks around itFlashing yellow: slow down, go with caution
  • Traffic signal with the red light lit and flash marks around itFlashing red: stop completely, then go when clear

Check yourself

Five of the practice test’s questions show a sign or a road marking, and the BMV’s sample test has one on signals too.

Take the practice test →Read about the Digest →
Sources: Ohio Department of Public Safety and 2 more. Checked November 2026.

Rules and fees can change, so check the official site before your test.

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