U.S. Road Signs – Warning Signs – Permit Prep Test

Two-direction Arrow. You are approaching a T-intersection and must turn left or right. Be prepared to yield the right-of-way at the intersection if necessary.

Winding road ahead. The road ahead is winding, with a series of turns or curves. Slow down and drive carefully.

Reverse turn. This sign tells you there is a sharp turn to the left and then right. Reduce speed and look well ahead. This sign is in advance of two curves with advisory speeds of 30 mph or less.

The pavement changes to dirt or low-grade surface. Slow down.

Shoulder drop off. There is a sharp drop from the pavement edge to the shoulder. If you must leave the pavement, slow down and steer firmly.

You will see this sign on roads that run parallel to railroad tracks to warn road users making a turn that they will encounter a highway-rail grade crossing soon after making the turn.

Two-way Traffic. The sign warns that the road changes from a multi-lane roadway to a two-lane, two-way section. You may also see it along such a road.

Divided highway ahead. The road ahead is divided into two one-way roadways.

Lanes shifting. Slow down and stay in your lane.

Crossroad ahead. Slow down and watch for cross traffic ahead. Look carefully in all directions for traffic.

This sign alerts you to an area where wild animals often cross the roadway.

This sign indicates that you are approaching a roundabout intersection. When an advisory speed panel is posted below the sign, slow down to the recommended speed.

Sharp Turn. The road ahead makes a sharp turn in the direction of the arrow. Slow down, keep right, and do not pass.

Hill sign. Steep hill ahead. Slow down and be ready to shift to lower gear to control speed and protect brakes from damage.

Pedestrian crossing. Watch for people crossing your path. Be prepared to slow down and stop. Signs may display horizontal lines indicating the point where a crosswalk exists. Signs may have a separate downward-pointing arrow plaque, which shows the actual location of the crosswalk.