It is against the law for anyone under 21 to buy or consume alcohol, have it in their possession, or have it in a vehicle that they are driving.

At an intersection of two similar roads without a traffic control device, a driver must yield to a vehicle approaching from the right.

Teenage drivers are more likely to have a crash when they are traveling with other teenagers as passengers than when they are driving alone or with adult passengers.

When approaching a stopped school bus that is using its stop signal, a driver is required to come to a complete stop. They should not proceed until the stop arm is withdrawn.

When you hear the siren of an emergency vehicle, you must pull over to the curb or side of the road and stop.

At four-way stops, traffic from all four directions must stop. The first vehicle to reach the intersection should move forward first. If two vehicles reach the intersection at the same time, the driver on the left yields to the driver on the right.

If there are no signals at an upcoming railroad crossing, you should slow down and be prepared to stop if you see or hear a train approaching.

This sign marks a high occupancy vehicle (HOV) lane. HOV lanes are reserved for use by buses and vehicles with a driver and one or more passengers, as indicated on the sign.

When a school bus stops with its lights flashing and its stop arm extended, you must stop at least 10 feet away from the bus. Remain stopped until the red lights stop flashing, the stop arm has been withdrawn, and the children have reached a safe place. This is the law whether you are approaching the bus from behind, approaching it from the opposite direction, or approaching it at an intersection at which the school bus is stopped.

Diamond-shaped signs warn drivers of existing or potential driving hazards. You will usually see these signs in yellow or orange.

If a steady yellow light appears when you are already within an intersection, you should continue through the intersection carefully.

This sign indicates that workers may be on or very close to the roadway ahead, so you should take special care when traveling through the area.

This sign indicates that the right lane on a multilane roadway ends ahead. Traffic in the right lane must merge left.

The most frequent crash type in which 16-year-old drivers in Pennsylvania are involved is a single-vehicle, run-off-the-road crash. From 2009 to 2011, there were 2,293 crashes and 45 people killed.

If a vehicle approaching you is using its high beams and fails to dim them, you should glance toward the right side of the road. This will keep you from being blinded by the other vehicle’s headlights and will allow you to see well enough to stay on your course until the vehicle passes.

As you prepare to make a right turn, you should get as far to the right side of the road as possible. Do not cut across lanes of traffic to perform any turn.

To keep your vehicle from rolling into traffic when parked facing uphill, turn your front wheels sharply away from the curb. If you are parking uphill on a street that has no curb, turn the wheels sharply toward the edge of the road.

If you drive past these signs, you are going the wrong way and are at risk of a head-on collision. You should cautiously turn around.