Pavement on bridges and overpasses can become icy even when other surrounding pavement is dry. Bridges often freeze before, and thaw out after, the rest of a road.

If involved in an accident, you should stop your vehicle immediately. If possible, move the vehicle out of the way of traffic. Call the nearest police agency and ask for an ambulance, if necessary. Do not move the injured unnecessarily, but attempt to stop severe bleeding with direct pressure. Wait for emergency vehicles to arrive.

You may cross a single broken line to pass or change lanes as long as you can do so safely and without interfering with traffic.

An eight-sided sign always means "stop." You must come to a complete stop and wait for any vehicles or pedestrians to clear the way before proceeding.

This type of triangular sign means drivers must yield. You must slow down as you come to an intersection marked with this sign and be prepared to stop. Let any other vehicles, bicyclists, or pedestrians pass safely before you proceed.

This sign indicates that the right lane ends ahead. A merging maneuver will be required for drivers in that lane.

Regulation signs regulate traffic speed and movement, displaying rules which drivers must obey. This regulation sign means that left turns are prohibited.

This sign warns of the presence of a crossroad ahead.

Construction and maintenance signs are orange-colored and are used to notify drivers of unusual or potentially dangerous conditions in or near work areas. This sign warns drivers that they are approaching a construction zone and that they should prepare to lower their speed and drive with extraordinary caution.

A bicycle is difficult to see in the dark, even when the cyclist is wearing a proper headlight and reflector. Both motorists and bicyclists should be especially alert when driving at night in order to prevent dangerous collisions.

If two vehicles arrive at the same time to an intersection that has stop signs on all corners, the vehicle to the right has the right-of-way.

Driving a motor vehicle is a privilege and not a right. Holding a license to drive carries a serious responsibility to keep yourself and others safe.

The only way to sober up after drinking alcohol is to allow time for your body to eliminate the alcohol in your system. Nothing you can do, including eating and drinking, can accelerate this process.

When you back up a vehicle, look through your back window for pedestrians and other obstacles. Do not rely only on your mirrors, especially when children are near. Before you back into or out of a driveway, get out of the vehicle and check behind your vehicle.

You need a longer distance to stop your vehicle on a slippery road than you do on a dry road. Maintain an increased following distance when driving on slippery roads.

When a school bus is flashing its red lights and has its stop arm extended, motorists must come to a full stop until the lights are turned off, the stop arm is withdrawn, and the bus begins moving again.

You are required to stop at all railroad crossings when signals warn of an approaching train. These signals may include flashing red lights, a lowered crossing gate, a flagger signaling, or a train’s audible signal of warning. Do not attempt to go around a lowered gate.

This sign warns of two-way traffic ahead.

It is necessary to follow farther behind a large truck than you would if following a passenger vehicle because trucks have larger blind spots.

This sign prohibits drivers from making a U-turn. You cannot turn around to go in the opposite direction at an intersection where this sign is posted.

Make room for vehicles that are entering a freeway. If possible, merge into the next lane to create a gap for the incoming vehicles. If you cannot merge, adjust your speed to allow for the vehicles to enter traffic as smoothly and safely as possible.

While it can create special problems for large vehicles, strong wind can cause problems for all drivers. Wind can lower visibility by blowing dirt and dust into the roadway, but it can sometimes also physically move a vehicle.

This sign indicates that the overpass ahead has a low clearance. You should not proceed if your vehicle is taller than the height shown on the sign (in this case, 13 feet 6 inches).

Increase your following distance when it is difficult to see due to darkness. Use headlights to increase visibility, following the rules for proper use of high beams and low beams. Avoid looking directly at the headlights of an oncoming vehicle to avoid being blinded by the glare.

Roads that seem dry may actually be slippery and dangerous, especially during the winter. Be prepared to encounter black ice on the roadway, especially when approaching intersections, off-ramps, bridges, or shady areas.

The ability to drive safely is dependent on the driver being in good physical condition. Driving can be impaired by alcohol, legal and illegal drugs, and being drowsy.

The faster you are driving, the longer it will take for you to stop to react to other drivers' unexpected moves.

When driving in a residential area, the maximum speed limit is 25 miles per hour. If a different speed limit is posted, follow the posted speed limit.

When passing, you should not return to your original lane until you can see both headlights of the passed vehicle in your rearview mirror. Always check your blind spots before moving back into your original lane.

Stop before the stop line or crosswalk at any intersection that is controlled by a stop sign. If there is a stop sign but no stop line or crosswalk, stop before entering the intersection and proceed when it is safe to do so.