The only way to remove the impairing effects of alcohol is to give the body time to remove it from the body. Drinking coffee, physical activity, or taking a cold shower will not speed up this process. It takes about one hour to cancel the effects of one drink.

When driving in a business or residential area, the maximum speed limit is 30 miles per hour. If a different speed limit is posted, follow the posted speed limit.

Painted curbs indicate parking restrictions. When a curb is painted red, it indicates fire zone parking restrictions.

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.

When a school bus is stopped on the road ahead with its lights flashing and its stop arm extended, you must come to a complete stop and wait to proceed until the lights have stopped flashing and the stop arm is withdrawn. Even after the bus begins to move again, do not proceed until you are sure there are no children crossing the road ahead of you.

A flashing yellow traffic light means drivers must slow down, be more aware, and proceed with caution. Be alert to crossing traffic and pedestrians.

This sign is placed on roads near schools to warn drivers to slow down, drive with caution, and watch for children.

When turning left from a one-way street onto another one-way street, you should begin the turn from the far left lane.

This sign indicates that the road may be slippery when wet. Exercise caution when driving on a slippery road.

When approaching a yield sign, drivers must give the right-of-way to traffic already in the lanes that they intend to enter or cross. Drivers should be prepared to stop when approaching a yield sign but may continue without stopping if there is no conflicting traffic.

This sign warns that the overpass ahead has a low clearance. Do not proceed if your vehicle is taller than the height indicated (in this case, 13 feet, 6 inches).

A flashing red traffic light has the same meaning as a stop sign. You must stop, yield the right-of-way, and go once it is safe.

Drivers may not enter an intersection unless they can get through it without having to stop. In heavy traffic, wait until the vehicles ahead of you clear an intersection before you proceed so that you are not blocking the intersection when the light for cross traffic turns green.

Never start to cross railroad tracks if there is not enough room for your vehicle to clear the tracks completely. Never stop on railroad tracks. Wait to proceed until there is room for your entire vehicle on the opposite side of the railroad tracks.

You must use the proper turn signal any time you pull away from a curb.

Pedestrians who use guide dogs or white canes (with or without a red tip) must be given the right-of-way at all times.

When the driver behind you wants to pass, you should slow down so that there is enough room in front of your vehicle for the other driver to complete their pass. This will allow them to complete the passing maneuver in less time and more easily.

This sign warns of the presence of a hill ahead.

When parking uphill on a road that has a curb, your wheels should be turned away from the curb. When parking uphill on a street without a curb or when parking downhill, your wheels should be turned toward the curb or edge of the road.

A steady downward green arrow over a traffic lane means you may use the lane indicated.

Pedestrians should walk on the side of the road facing the traffic in the lane nearest them.

If your vehicle's turn signals do not work, you should use hand signals to indicate when you intend to change direction.

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

When passing another vehicle, move back into your original lane only when you can see the passed vehicle’s headlights in your rearview mirror. This ensures that you will have enough room to safely pull back in front of the other vehicle.

When encountering a flashing yellow light at an intersection, you should slow down and proceed with caution. You do not need to come to a complete stop when approaching a flashing yellow light.