This sign warns that the road is slippery when wet.

It is prohibited to park within 15 feet of a fire hydrant.

The exhaust system carries exhaust gas out of the vehicle and prevents fumes from entering into the passenger compartment. To prevent carbon monoxide poisoning, keep your exhaust system free of leaks. Replace all defective parts immediately.

Distracted driving is extremely risky behavior that puts not only you and your passengers in danger, but also endangers pedestrians, bicyclists, and other motorists sharing the road. Focused attention on driving helps to prevent crashes.

Pennant-shaped warning signs like this are only used to indicate a no passing zone.

By law, your vehicle’s headlights must be turned on from a half hour after sunset until a half hour before sunrise.

This sign indicates that an intersection with a crossing road is ahead.

Warning signs are usually diamond-shaped with black markings on a yellow background. They alert drivers to upcoming hazards. This sign indicates that there may be pedestrians crossing the road ahead.

Warning signs prepare drivers for upcoming road conditions and hazards and are usually yellow with black markings. This sign warns drivers about an upcoming steep hill. They should adjust their speed accordingly to avoid brake damage or collision.

You should allow more space in front of your vehicle than usual when you are stopped on an uphill slope. If the vehicle in front of you rolls backward toward your vehicle when traffic begins to move again, it is less likely that there will be a collision.

This sign indicates that you are approaching a railroad crossing.

Yellow lines are used to separate traffic moving in opposite directions. Solid lines indicate that drivers are not permitted to pass.

Driving while impaired or intoxicated is a serious traffic safety problem. Safe driving is not possible when you drink alcohol or take other drugs. Driving under the influence is dangerous both to you and to others on the road.

Wearing your seat belt is the single most effective thing you can do to reduce your risk of death or injury while driving.

Inside a roundabout, you must always drive around the circle to the right. When entering a roundabout, you must yield to traffic that is already in the circle, as well as to pedestrians and bicyclists who are crossing the road.

Before changing lanes, you should activate your turn signal in the appropriate direction and check your rearview and side mirrors. Look over your shoulder in the direction you plan to move in order to check your blind spot and check the far lane to be sure no one else is trying to enter the same lane as you. Change lanes when you are sure it is safe to do so.

This sign warns of the presence of a hill ahead.

If you follow too closely and the vehicle in front of you slows or stops suddenly, you may not have enough time to avoid a collision.

Backing requires extra caution because it is difficult for drivers to see behind their vehicles. Before entering a vehicle to back up, walk to the back of the vehicle to check for children and small objects.

In general, you must stop for a school bus that is flashing its red lights, whether it is on your side or the opposite side of the road. However, you are not required to stop if the bus is traveling in the opposite direction on a road that has three or more marked traffic lanes, or that is divided by a median or physical barrier.

Before passing, you should signal early enough for other drivers to know your plans in advance.

You must yield the right-of-way to police cars, fire engines, ambulances, or any other emergency vehicles using a siren or air horn and a red or blue flashing light. Follow any instructions given over the emergency vehicles' loudspeakers. Emergency vehicles often follow each other so you should proceed only when you are certain the way is clear.

You must not drive at a speed that is faster than is reasonable and prudent. You must drive at a speed that is appropriate for the area where you are driving, the type and condition of surrounding traffic, the presence of pedestrians, the weather, the quality of the road, and light conditions. You must drive within legal speed limits.

It is illegal to drink an alcoholic beverage while in a motor vehicle on a highway. It is also illegal for a person in a vehicle on a highway to possess an alcoholic beverage container that has been open or unsealed, or from which any of the contents have been removed. Open alcohol containers may not be in a vehicle on a highway, unless in an area not normally occupied by the driver or passengers.

Regulatory signs regulate the movement of traffic. They are usually white with black markings and must always be obeyed by motorists.