When approaching a flashing red signal, you must stop and yield to all traffic that does not have to stop.

You cannot enter an intersection if traffic is backed up on the other side and you cannot get completely through the intersection. Wait until traffic ahead clears so you do not block the intersection.

If you are on an entrance or acceleration ramp and are entering interstate traffic, you should yield to drivers already on the interstate highway. Merge safely into traffic when you are able to do so.

Warning signs prepare drivers for upcoming road conditions and hazards and are usually yellow with black markings. This sign warns drivers that there is an upcoming sharp turn and that they should lower their speed accordingly.

Reduce your speed when roads are snow-covered or icy. Doing this and increasing your following distance are the most important techniques for avoiding crashes under snowy or icy conditions.

When entering and driving through a work zone, slow down and be prepared to stop. Obey posted speed limits and be alert to conditions around you. Workers could be present.

Smoking while driving can create dangerous distractions by causing you to take your hands off the wheel and/or your eyes off the road.

Your suspension helps you control your vehicle and provides a comfortable ride over varying road surfaces. If your vehicle bounces a lot after driving over a bump, or is generally hard to control, you may need new suspension parts.

Warning signs are usually yellow with black markings. They alert you to conditions that are immediately ahead. This sign warns drivers about an upcoming winding road.

Yield the right-of-way to the driver on your right at a four-way intersection if you both arrive to the intersection at the same time. You may then proceed when it is safe to do so.

Never drive through, around, or under gates or barriers at a railroad crossing. It is illegal and very dangerous.

Drivers must yield the right-of-way to pedestrians who are crossing the street in any marked or unmarked crosswalk. In the interest of safety, drivers should yield the right-of-way to people crossing any street.

You should use your low beam headlights when driving in fog. High beam headlights may cause the light to reflect off of the fog and into your eyes.

Always signal for an appropriate amount of time before making a lane change or exiting a freeway. Before you make any move to the right or left, quickly turn your head and look over your shoulder to see if your blind spot is clear.

Warning signs are used to warn drivers about upcoming hazardous conditions and are usually yellow with black markings. This sign tells drivers that they are approaching a school zone and that they should slow down and watch for children.

This sign indicates that there is a yield sign ahead. You should begin to slow down when you see this warning sign.

At a four-way stop, you must yield the right-of-way to drivers who arrived before you. Wait your turn to enter the intersection.

To avoid the dangers of fatigued driving, take breaks every hour or so during a long trip. If possible, share driving responsibilities with another person so you can each sleep while the other person drives.

It is not always easy to maintain a safe distance behind your vehicle. However, you can help keep the driver behind you a safe distance away from your vehicle by maintaining a steady speed and signaling turns, lane changes, and deceleration in advance.

The distance required to stop your vehicle depends on perception time, reaction distance, and braking distance. This changes with speed and road conditions.

Warning signs are usually yellow with black markings. This sign indicates that you are approaching a steep hill. Slow down and be ready to shift to a lower gear to control your speed and protect your brakes from damage.

Safety belts can double your chance of surviving a crash and more than double your chance of avoiding serious injury. Airbags, when used properly with safety belts, provide additional protection in a front-end crash. You should wear both shoulder and lap belts.

Highway work zones are established according to the type of work underway along the roadway. Signs in work areas are typically diamond-shaped, orange, have black letters or symbols, and serve as a warning that people are working on or near the highway.

At a yield sign, you must slow down or stop, if necessary, and give the right-of-way to crossing or merging vehicles. Yield the right-of-way to any cross traffic that is close enough to cause conflict.

You should adjust your speed to travel smoothly with the other traffic on a roadway (provided that the other traffic is driving within the posted speed limits). Remember that vehicles moving in the same direction at the same speed cannot hit each other. Crashes involving multiple vehicles often happen when some vehicles are traveling at different speeds than others.