The only way to be sure you will have enough time to react to mistakes made by other drivers is to leave plenty of space between you and the vehicles around you.

Signal, check your mirrors, and check your blind spot before changing lanes or passing on an interstate. Only stop on the shoulder of the interstate in the case of an emergency and change lanes as infrequently as possible. Cruise control should not be used in heavy traffic or under poor weather conditions.

If the police arrest you for driving while under the influence of alcohol or drugs and you refuse to take one or more chemical tests of breath, blood, or urine, your driving privilege will be automatically suspended for one year.

Choosing to eat, drink, or smoke while driving is dangerous because these actions require a driver to remove their hands from the wheel and their eyes from the road. Drivers who engage in distracting activities while driving have trouble staying in their lanes and controlling their vehicles.

When roads become wet, you should increase your following distance to five or six seconds.

The most common type of crash in work zones is the rear-end collision. To avoid this hazard, it is recommended that you double your following distance as you approach a work zone.

Your horn should be used as a warning in situations where you think another driver or a pedestrian does not see you. For example, if a child begins to run into the street in front of your vehicle, you should sound your horn.

The maximum speed limit in Pennsylvania is 70 mph.

Your horn should be used to warn other drivers or pedestrians in situations where they may not see you. For example, if you think another driver is about to hit you, you should sound your horn.

Yellow centerlines are used to separate traffic moving in opposite directions. Broken lines may be crossed to pass slower-moving traffic when it is safe to do so.

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

You drive defensively when you identify dangerous driving situations and take action before an accident occurs. Defensive driving helps prevent conflicts with aggressive, offensive, discourteous, careless, inattentive, impulsive, ignorant, or intoxicated drivers or pedestrians.

Carelessness and speeding are the main causes of traffic-related fatalities in work zones.

Warning signs prepare drivers for upcoming road conditions and hazards and are usually yellow with black markings. This sign tells drivers that they may encounter traffic coming from the opposite direction.

When stopped at an intersection, you should first look to your left, as vehicles coming from the left are closer to you than vehicles coming from the right. Look to your right, then look to your left again, in case there are any vehicles coming from that direction that you did not see at first glance.

The law requires you to allow at least four feet of space between your vehicle and a bicyclist when passing them.

Blind spots are areas that a driver cannot see without moving their head. They can be located to the sides of and behind a vehicle.

If a green arrow turns into a solid green light, you may still turn in the direction that the arrow was pointing but you must first yield to pedestrians and oncoming traffic.