A driver should allow a space of at least three seconds between their vehicle and the vehicle ahead. Drivers should always increase their following distance when conditions are less than perfect.

For drivers age 21 or older, it is illegal to operate a motor vehicle with a blood alcohol concentration (BAC) of 0.08 percent or higher. Driving while under the influence of alcohol is not only illegal, but dangerous.

If you hit a parked vehicle or other property, you must leave a note with your name, phone number, and address securely attached to the vehicle or property that you hit.

White lines separate lanes of traffic that are moving in the same direction. Dashed white lines may be crossed to pass or change lanes, if it is safe to do so.

Before changing lanes, check your side and rearview mirrors for traffic approaching you from behind. Just before you begin moving into the other lane, quickly glance over your shoulder and check for any vehicles that may be in your blind spot.

Drivers should use low beam headlights when driving in fog. High beams will reflect back at the driver, making it difficult to see.

When turning, you should reduce to a speed that allows you to maintain control of your vehicle, stay in your lane, and react to unexpected situations.

Warning signs are usually diamond-shaped with black markings on a yellow background. They alert drivers to upcoming hazards. This warning sign indicates that drivers are about to encounter a divided highway.

The speed limit in a residential district is ordinarily 25 miles per hour. If another speed limit is posted, follow the posted limit.

Warning signs are usually yellow with black markings. This sign warns drivers that they are arriving upon a fork in the road and they must bear either right or left.

It is prohibited for anyone to park in handicap parking access aisles. These aisles are meant to provide space for wheelchairs and wheelchair lifts.

If you are in a lane corresponding to a signal displaying a green arrow, you may proceed in the direction of the arrow when the way is clear. This is true whether the arrow is displayed alone or together with another signal.

Do not become distracted by looking at passengers, attempting to find something in your vehicle, looking at reading material, sightseeing, or daydreaming while driving. If a driver near you seems distracted, allow them extra space because the risk of an accident is increased by their inattentiveness.

You may drive more slowly than the posted speed limit, based on road conditions, but it is illegal to drive any faster than the posted speed limit. Some conditions which require reduced speed for safety include approaching curves or hills where visibility is limited, driving on slippery roads, and driving on roads where animals and pedestrians are present.

If there is danger, you may need to sound a sharp blast on your horn. Do this when a child or any other pedestrian is about to enter into the street in front of your moving vehicle.

Diamond-shaped signs are used to warn drivers of special conditions or hazards ahead. They are typically yellow or orange in color.

If you are involved in a minor crash on an interstate or freeway, you must move your vehicle out of the travel lanes and onto the nearest shoulder. If your vehicle cannot be driven to the shoulder, it may be pushed to the shoulder by law enforcement. Do not move individuals who are injured.

It is a secondary offense to use a handheld wireless communication device to read, type, or send written communication while operating a motor vehicle. Violation of this law carries a fine between $200 and $500.

When entering a roundabout, you must yield to traffic that is already in the circle. Enter when there is a safe gap in traffic.

The driver to arrive first to a four-way stop should be the first to continue through the intersection. Drivers may proceed through the intersection in the order that they arrived.

"No zones" are areas around trucks or buses in which cars disappear into the larger vehicle's blind spots. "No zones" can also be defined as areas in which cars are so close to the larger vehicle that they restrict the truck or bus driver’s ability to stop and maneuver safely. A car being in a "No zone" greatly increases the potential for a crash.

Drivers must respect and cooperate with all other road users and conform to specific rules in order to maintain order and to avoid crashes. When encountering an aggressive driver, it is safest to just get out of their way. Always avoid competing with other drivers.

A five-sided sign is used to alert drivers to a school zone. Some pentagonal signs specifically indicate crosswalks within school zones where children or other pedestrians may be present.

If the headlights of an oncoming vehicle are blinding, glance toward the right edge of the road instead of looking directly ahead. This should keep your vehicle safely on the road until you pass the oncoming vehicle.

This sign means drivers cannot make a left turn. It is unsafe and unlawful to make a left turn at an intersection where this sign is posted.