Road signs in the United States
All 629 road signs used in the United States, grouped by type, with what each one means.
Free to browse — no signup. Every sign with its shape, colours and what it means.
Every sign in the United States
These are the signs as they appear in the United States, which uses its own sign system.
Warning signs
267 signsAdded lane from leftCode W4-3LAn additional travel lane is added from the left side ahead; traffic from the left does not need to merge immediately.
Added lane from rightCode W4-3RAn additional travel lane is added from the right side ahead; traffic from the right does not need to merge immediately.
Advisory speed 35mph plaqueCode W13-1aPAdvisory speed of 35 mph for the condition or feature described by the sign above.
Be prepared to stopCode W3-4Drivers should be prepared to stop due to a signal or other control ahead.
Bear crossingCode W11-16Bears may be crossing or on the roadway ahead.
Bicycle crossingCode W11-1Warning of a bicycle crossing or shared bicycle path crossing the road ahead.
Priority signs
3 signsRailroad crossbuckCode R15-1Railroad crossing ahead — drivers must yield to trains.
StopCode R1-1Drivers must come to a complete stop before proceeding.
YieldCode R1-2Drivers must yield the right-of-way to traffic on the intersecting road.
Prohibition signs
80 signsAxle weight limit 5 tonsCode R12-2Vehicles with an axle weight exceeding 5 tons are prohibited from using this road.
Bridge outCode R11-2bThe bridge ahead is out and the road is impassable.
Bridge out ahead local traffic onlyCode R11-3bThe bridge is out a specified number of miles ahead; only local traffic is permitted beyond this point.
Do not block intersectionCode R10-7Drivers must not enter or stop in the intersection if they cannot clear it before the signal changes.
Do not drive on shoulderCode R4-17Driving on the road shoulder is prohibited at this location.
Do not drive on tracks textCode R15-6aInstructs drivers not to drive on the railroad or light rail tracks.
Mandatory signs
164 signs3ft clearance to pass bicycleCode R4-19Drivers must maintain a minimum 3-foot clearance when passing a bicyclist.
All traffic leftCode R4-20LAll traffic must bear left at this point.
All traffic rightCode R4-20RAll traffic must bear right at this point.
Back in parking onlyCode R7-10Vehicles must back into parking spaces; forward-in parking is not permitted.
Begin daytime headlight sectionCode R16-10Marks the beginning of a section where headlights must be used during daytime hours.
Begin right turn lane yield to bikesCode R4-4Drivers entering the right-turn lane must yield to bicyclists in the adjacent bike lane.
Special regulation signs
10 signsEv charging only 2hrCode R7-114This space is reserved for electric vehicle charging only with a 2-hour time limit.
Ev charging only 45min timedCode R7-114aThis space is reserved for electric vehicle charging only for a maximum of 45 minutes between 7AM and 10PM.
Ev charging only 45min timed daysCode R7-114bThis space is reserved for electric vehicle charging only for 45 minutes between 7AM and 10PM Monday through Friday.
Ev parking 2hrCode R7-112Parking is limited to 2 hours and reserved for electric vehicles only.
Ev parking 2hr timedCode R7-112aParking limited to 2 hours for electric vehicles only between 7AM and 8:30PM.
Ev parking 2hr timed daysCode R7-112bParking limited to 2 hours for electric vehicles only between 7AM and 8:30PM Monday through Saturday.
Information signs
37 signsBegin exit laneCode R3-57PThe exit lane begins here; drivers must move to the right to take the exit.
Begin higher fines zoneCode R2-10Marks the beginning of a zone where traffic fines are increased.
Bicycle allowed full laneCode R9-20Bicycles are permitted to use the full travel lane.
Bike lane closedCode R9-12The bike lane is closed to bicycle traffic.
Bus lane panelCode R3-6aSupplemental panel indicating the lane is designated for buses only.
Center lane panelCode R3-5fPSupplemental panel identifying the center lane designation for an adjacent regulatory sign.
Additional panels
68 signsAll wayCode R1-3PSupplemental panel indicating that the stop or yield requirement applies to all approaches at the intersection.
At signal plaqueCode R10-31PSupplemental plaque reading AT SIGNAL used beneath other pedestrian crossing signs.
Citywide panelCode R2-5aPSupplemental panel indicating the speed regulation applies citywide.
Emergency vehicles weight limit plaqueCode R12-7aPSupplemental plaque indicating that the posted weight limits apply to emergency vehicles, with single axle 12T, tandem 26T, gross 43T.
Except local delivery panelCode R5-2aPSupplemental panel indicating that local delivery vehicles are exempt from the restriction above.
Except on shoulderCode R9-19PA supplemental panel indicating that the restriction above does not apply on the shoulder.
Signs explained
What the main sign groups mean and what to do when you see one.
Warning signs
Alert drivers to potential hazards ahead. Usually triangular with red border.12 signsProhibitory signs
Indicate actions that are not permitted. Usually circular with red border.7 signsMandatory signs
Indicate required actions or directions. Usually circular with blue background.3 signsPriority signs
Indicate who has right of way at intersections. Various shapes and colors.5 signsInformational signs
Provide useful information about facilities, services, and locations.6 signsDirection signs
Guide drivers to destinations, exits, and distances.3 signsSpecial zone signs
Indicate special areas like school zones, pedestrian areas, and work zones.2 signsReady for your the United States theory test?
Signs are only part of the exam. Practise full the United States mock tests and see which topics you still get wrong.