🚦 IL Road Signs Study Guide
All signs from the official Illinois Rules of the Road booklet · 15 of your 35 test questions will be sign identification!
Regulatory Signs(Must obey)12
Stop
Come to a complete stop. Yield to traffic and pedestrians. Go when safe.
RegulatoryYield Right of Way
Slow down and yield to traffic. Stop if necessary.
RegulatoryDo Not Enter
Do not drive into this road or area. Usually marks one-way exits.
Regulatory
Wrong Way
You are going the wrong direction on a one-way road. Turn around immediately.
RegulatoryNo Right Turn
Right turns are prohibited at this intersection.
RegulatoryNo U-Turn
U-turns are not permitted at this location.
RegulatoryNo Passing Zone
Pennant shape. Do not pass other vehicles in this area.
Regulatory
Do Not Pass
Do not pass other vehicles in this zone.
Regulatory
Keep Right
Stay to the right of the divider or obstruction.
Regulatory
One Way
Traffic flows only in the direction the arrow points.
Regulatory
Speed Limit
Maximum legal speed. You may not exceed this speed.
Regulatory
Four-Way Stop
All directions must stop. First to arrive, first to go.
RegulatoryWarning Signs(Caution ahead)45
School Zone and Crossing
Pentagon shape. Slow to 20 mph on school days when children are present.
Warning
School Crossing
Watch for children crossing the road near a school.
WarningRailroad Warning
Round yellow sign. Railroad crossing ahead — look, listen, and slow down.
Warning
Railroad Crossbuck
X-shaped sign at railroad crossing. Yield to trains. Stop if a train is approaching.
WarningWinding Road Ahead
The road ahead has several curves. Slow down and drive carefully.
WarningCrossroad
An intersection is ahead. Watch for cross traffic.
WarningDivided Highway
The highway ahead is divided by a median. Keep right.
Warning
Divided Highway Ends
Divided highway is ending. Prepare for two-way traffic ahead.
WarningMerge
Traffic from another road is merging into your lane. Be prepared to share space.
WarningPedestrian Crossing
Watch for pedestrians crossing the road.
WarningSlippery When Wet
Road may be slippery in wet conditions. Reduce speed.
WarningDowngrade
Steep hill ahead. Use lower gear and control speed.
WarningSide Road
A side road enters ahead. Watch for traffic.
WarningReduction in Lanes
The road ahead narrows. Prepare to merge.
Warning
Road Narrows
Road becomes narrower ahead. Proceed with caution.
Warning
Deer Crossing
Deer frequently cross this area. Watch for animals on the road.
Warning
Sharp Left Turn
Sharp left turn ahead. Slow down before the curve.
Warning
Sharp Right Turn
Sharp right turn ahead. Slow down before the curve.
Warning
T-Intersection
Road ends ahead. You must turn left or right.
Warning
Y-Intersection
Road splits ahead. Choose your direction.
Warning
Roundabout
Circular intersection ahead. Yield to traffic already in the roundabout.
WarningSlow-Moving Vehicle
Orange triangle on back of vehicle. Travels under 25 mph.
WarningStop Sign Ahead
A stop sign is coming up. Prepare to stop.
WarningTraffic Signal Ahead
A traffic signal is ahead. Prepare to obey.
WarningTwo-Way Traffic
Traffic moves in both directions on this road.
WarningWarning of a Change in Direction
Sharp turn or curve ahead. Slow down.
Warning
Bump
Bump in the road ahead. Slow down.
Warning
Added Lane
A new lane is being added. Traffic may enter from the right.
Warning
Lane Ends
A lane is ending ahead. Merge into the remaining lane.
Warning
Left Curve
Road curves to the left ahead. Slow down.
Warning
Right Curve
Road curves to the right ahead. Slow down.
Warning
Low Clearance
Low overhead clearance ahead. Check your vehicle height.
Warning
Bicycle Crossing
Watch for bicyclists crossing the road ahead.
Warning
Dip
Dip in the road ahead. Slow down.
Warning
Narrow Bridge
Narrow bridge ahead. Proceed with caution.
Warning
Pavement Ends
Paved road ends ahead. Prepare for gravel or dirt surface.
Warning
Shoulder Drop Off
The road shoulder drops off sharply. Stay on the road.
Warning
Chevron Signs
Sharp curve ahead. Follow the direction of the chevrons.
Warning
Advisory Speed
Recommended speed for the upcoming curve or turn.
Warning
Watch for Ice on Bridges
Bridge may be icy. Reduce speed and drive carefully.
Warning
Weave Area
Vehicles entering and exiting may cross paths. Watch for merging traffic.
Warning
One Direction Arrow
Traffic must go in the direction the arrow points.
Warning
Two Direction Arrow
Traffic may go in either direction. Choose a lane.
Warning
Loose Gravel
Loose gravel on the road. Drive carefully and reduce speed.
Warning
Cross Traffic
Cross traffic does not stop. Look both ways before proceeding.
WarningConstruction Signs(Work zones)7
Road Construction/Maintenance Area
Orange diamond. Construction or maintenance ahead. Slow down.
Construction
Road Work Ahead
Road construction ahead. Slow down and watch for workers.
Construction
Active Work Zone
Workers actively on the road. Fines are doubled. Slow down.
Construction
End of Active Work Zone
Leaving the work zone. Resume normal driving.
Construction
Flagger Ahead
A flagger is directing traffic ahead. Be ready to stop.
Construction
Workers Ahead
Road workers ahead. Drive carefully and reduce speed.
Construction
Work Zone Headlights
Turn on headlights in the work zone for visibility.
ConstructionGuide Signs(Information)6
Persons with Disabilities Parking
Blue sign. Only vehicles with disability plates/placards may park here.
Guide
Hospital
Hospital nearby. Follow the sign for emergency medical services.
Guide
Highway Guide Sign
Green sign showing highway directions, distances, and destinations.
Guide
Exit Only
This lane is for exiting only. Move to another lane to stay on the highway.
Guide
Diesel
Diesel fuel available at upcoming service area.
Guide
Mile Markers
Green signs showing distance in miles along the highway.
GuideBased on the official Illinois Secretary of State Rules of the Road booklet (DSD DS9)