A solid line along the side of the road indicates where its edge is, marking the boundary between the travel lane and the shoulder. If the edge line angles toward the center of the road, this means that the road is narrower ahead.

The only way to avoid the risks of drinking and driving is to decide before you start drinking that you are not going to drive. Because alcohol affects your judgement, it will be harder for you to make safe decisions after you have started drinking.

The average person’s body will process about one alcoholic drink in one hour. However, many factors play a part in determining how impaired a person will become when consuming alcohol, including the amount of alcohol consumed, how fast it is consumed, and a person’s body weight, food intake, and general health.

This sign warns of two-way traffic ahead.

If an emergency vehicle using its lights or siren approaches while you are driving on a one-way street, you must drive toward the nearest roadside and stop.

When making a left turn where there is approaching traffic, you must wait for the approaching traffic to go through before you turn. You may enter the intersection to prepare for your left turn if the light is green and no other vehicle ahead of you plans to make a left turn.

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).

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.

If you are stopped at a railroad crossing with more than one track, do not start moving as soon as a train passes. Wait until you have a clear view down all tracks before you start across. Even where there is only one track, do not start across immediately after a train passes; check again for another train that may be approaching.

This sign indicate that the right lane ends ahead.

At night, visibility is reduced. Take steps to make driving in the dark more safe for you and the other drivers on the road.

You should never drive around lowered crossing gates. Always look both ways before turning across train tracks and always obey signs and traffic signals. Trains share the road with motor vehicles and bicyclists.

When passing a school bus that is stopped on the opposite side of a divided highway, drivers may continue driving. If the highway is not separated by a median or divider, drivers on both sides of the street must stop.

You must pull over to the right edge of the road and stop for an emergency vehicle with flashing lights, regardless of whether it is approaching you from behind or from the opposite direction.

At an intersection where there is no stop sign or traffic signal, you should yield to a vehicle approaching the intersection from the right. However, always be prepared to yield to avoid a crash. Do this by taking your foot off the accelerator, covering the brake, and looking left, right, and left again.

Even the smallest amount of alcohol will reduce your concentration, perception, judgment and memory, and your driving skills will suffer. No one can drink and drive safely.

You should pass a bicyclist the same way you would pass any other vehicle, but not so fast or close to them that you throw debris in their face or blow them around with the draft of air from your vehicle. Allow at least 3 feet of space between your side mirror and the bicyclist, or at least 5 feet on higher speed roads or when there is a group of bicyclists. Honking unnecessarily may startle riders and make them more likely to crash.

Lap belts should fit snugly across your hip bones and the lower part of your abdomen. Shoulder belts should sit comfortably so that you can insert your fist between the belt and your chest.

Drivers must always yield the right-of-way to a pedestrian when the pedestrian is a blind person who is using a white cane or guide dog.

Regulation signs regulate traffic speed and movement, displaying rules which drivers must obey. This regulation sign indicates that drivers should keep right to avoid an upcoming potential driving hazard.

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.

This sign warns that a road has one-way traffic and you must not enter from your current direction.

Warning signs advise drivers of potentially hazardous conditions. For your own safety, obey warning signs. Disregarding the information provided by a warning sign may result in an accident due to your negligence.

A "No standing" sign means that you may only make a temporary stop to load or discharge passengers.

This sign indicates that the road ahead curves to the right.

After finding a parking space, checking traffic, and signaling, you should stop parallel to the vehicle directly ahead of your desired parking space before turning your wheel to park.

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

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

Before turning or changing lanes, turn your head and glance over your shoulder in the direction of your move to see if your blind spot is clear. Never rely on your mirrors alone.

This sign indicates that a T intersection is ahead.

One situation where it is appropriate to use your horn is if you lose control of your vehicle. In this case, sound your horn to alert other drivers.

Stopping distances increase on wet or icy roads. Stopping distances also increase on road surfaces covered in loose gravel or stones.

When you operate a motor vehicle in North Carolina, you automatically consent to an alcohol level test at any time the authorities wish to administer it. You will not be forced to take such a test, but your driver license will be immediately suspended if you refuse.

While it is always dangerous to drive too fast on slippery roads, this is especially true when driving in turns and curves. Be sure to approach them more slowly in slippery conditions than you would under normal circumstances.

This sign indicates that left turns are prohibited.

This sign indicates that there is a traffic signal ahead.

Chevron signs like this indicate that the road curves sharply in the direction indicated by the chevron (in this case, to the left). There may be several chevron signs placed throughout a curve.