Road signs truck drivers must explain

Common US highway signs from the MUTCD. What each sign means, in simple English you can say out loud. The officer can show you 4 road signs, and you must explain what at least 3 of them mean. Practice the common signs first.

• Stop

  Come to a full stop at the line. Look both ways. Go only when it is safe.

• Yield

  Slow down and let other traffic go first. Stop if you need to.

• Do Not Enter

  You cannot drive into this road or ramp. Traffic comes the other way.

• Wrong Way

  You are going the wrong direction. Stop safely and turn around.

• Speed Limit 50

  The highest legal speed here is 50 miles per hour. Some states have a lower limit for trucks.

• No Trucks

  Trucks are not allowed on this road. Find another route.

• Weight Limit 10 Tons

  Vehicles heavier than 10 tons (20,000 pounds) cannot use this road or bridge.

• Truck Route

  This is the road trucks should use. Follow it.

• Do Not Pass

  Do not pass other vehicles here. Stay in your lane.

• No U-Turn

  You cannot make a U-turn here.

• No Right Turn

  You cannot turn right here.

• No Left Turn

  You cannot turn left here.

• One Way

  Traffic on this street goes only in the direction of the arrow.

• Keep Right

  Stay to the right of the island or divider ahead.

• No Parking

  You cannot park here.

• Railroad Crossing (Crossbuck)

  Train tracks cross the road here. Look and listen for trains. Hazmat and some other trucks must stop.

• Fines Higher

  Tickets cost more in this zone, usually a work zone or school zone. Slow down and be careful.

• Low Clearance 12 ft 6 in

  A bridge or overpass ahead is only 12 feet 6 inches high. If your truck is taller, do not go under it.

• Truck Rollover Warning

  Sharp curve to the right. Trucks can tip over here. Slow down before the curve.

• Hill / Steep Downgrade

  A steep hill down is ahead. Use a lower gear before the hill and check your brakes.

• Runaway Truck Ramp

  An escape ramp is 1 mile ahead. Use it if your brakes fail on the hill.

• Slippery When Wet

  The road is slippery when it rains. Slow down and keep more space.

• Railroad Crossing Ahead

  Train tracks are ahead. Slow down, look, and listen. Be ready to stop.

• Road Work 1000 ft

  There is road work in 1,000 feet. Slow down and watch for workers.

• Stop Ahead

  There is a stop sign ahead. Get ready to stop.

• Traffic Signal Ahead

  There is a traffic light ahead. Be ready to stop.

• Be Prepared to Stop

  Traffic ahead may be stopped. Slow down and be ready to stop.

• Right Lane Ends

  The right lane ends ahead. Move into the left lane.

• Merge

  Traffic from another road is joining your road. Watch for vehicles and make space.

• No Passing Zone

  The no passing zone starts here. Do not pass other vehicles.

• Advisory Speed 35 MPH

  The safe speed for the curve or ramp ahead is 35 mph. Trucks should go even slower.

• Narrow Bridge

  The bridge ahead is narrow. Slow down and watch for oncoming traffic.

• Pedestrian Crossing

  People may walk across the road here. Slow down and stop for them.

• Curve to the Right

  The road curves to the right ahead. Slow down before the curve.

• Winding Road

  Many curves ahead. Slow down and stay in your lane.

• Crossroad Ahead

  Another road crosses this road ahead. Watch for cars from both sides.

• Divided Highway Begins

  The road becomes a divided highway. Stay on the right side of the median.

• Bump

  There is a bump in the road ahead. Slow down.