Traffic signsUnited States

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Traffic signs

Traffic rules

Traffic signs

A traffic sign is a standardised visual symbol placed along roads to guide, warn, or regulate drivers, cyclists, and pedestrians. These signs provide essential information about road conditions, rules, directions, and potential hazards, helping to ensure safety and smooth traffic flow. They come in various shapes and colours—such as triangular warning signs, circular prohibitory or mandatory signs, and rectangular information signs—each designed for quick recognition and clear understanding.

51. Turning right prohibited

This traffic sign indicates that turning right is prohibited. A right turn may not be made where the sign applies. Other movements may still be permitted unless another restriction applies.

52. Turning around prohibited (U-turn)

This traffic sign indicates that turning around (making a U-turn) is prohibited. A U-turn may not be made where the prohibition applies. Other movements may still be permitted unless another restriction applies.

53. Start of a speed limit

This traffic sign indicates the start of a speed limit. The displayed value is the maximum permitted speed from this point. The limit remains in force until it ends or is replaced according to the applicable traffic signs and local rules.

54. End of the speed limit

This traffic sign indicates the end of the previously indicated speed limit. From this point, follow any newly posted limit or the applicable default speed rules for the road and vehicle category.

55. Parking prohibited

This traffic sign indicates that parking is prohibited. Vehicles may not be parked in the area covered by the sign unless an exception applies. Brief stopping to pick up or drop off passengers or to load or unload goods may still be permitted where local rules allow it.

56. Turning left mandatory

This traffic sign indicates that turning left is mandatory at the junction ahead. Traffic must turn left and may not continue straight ahead or turn right.

57. Turning right mandatory

This traffic sign indicates that turning right is mandatory at the junction ahead. Traffic must turn right and may not continue straight ahead or turn left.

58. Pass obstacle on the left

This traffic sign indicates that traffic must pass an obstacle on the left. Keep to the left of the obstacle and follow any accompanying signs or road markings.

59. Pass obstacle on the right

This traffic sign indicates that traffic must pass an obstacle on the right. Keep to the right of the obstacle and follow any accompanying signs or road markings.

60. Driving straight ahead mandatory

This traffic sign indicates that driving straight ahead is mandatory. Traffic must continue straight ahead and may not turn left or right at the location to which the sign applies.

61. Mandatory lane for trucks

This traffic sign indicates a mandatory lane for trucks. Trucks must use the designated lane where the sign applies. Other road users may use the lane only where the applicable signs or local rules permit them to do so.

62. Start of a minimum speed

This traffic sign indicates the start of a minimum speed. Road users covered by the sign must travel at or above the indicated speed when conditions allow. Driving more slowly may still be necessary because of traffic, weather, road conditions or another safety-related reason.

63. Lane for cyclists

This traffic sign indicates a lane for cyclists. The lane is designated for bicycle traffic, subject to the applicable road markings, traffic signs and local rules.

64. Advisory speed limit

This traffic sign indicates an advisory speed. The displayed value recommends an appropriate speed for the road or conditions ahead. Its legal effect depends on the applicable local rules.

65. Road with one-way traffic

This traffic sign indicates a road with one-way traffic. Drivers may travel only in the permitted direction.

66. Information about the next exit

This traffic sign gives information about the next exit. It may show the exit number, destination, direction or distance to the exit.

67. Lane for buses

This traffic sign indicates a lane for buses. The lane is intended for buses and any other road users permitted by the applicable signs or local rules.

68. The road is closed

This traffic sign indicates that the road is closed. Traffic covered by the closure may not continue beyond the indicated point. Follow any signs showing permitted access or an alternative route.

69. Parking allowed

This traffic sign indicates that parking is allowed. Vehicles may be parked in the area covered by the sign subject to any indicated conditions, restrictions or local parking rules.