When merging into traffic, you should signal and enter at the same speed that traffic is moving. Always yield to other traffic when entering a roadway.

This sign warns of the presence of a crossroad ahead.

When there is a solid yellow line and a broken yellow line in the center of the road and the broken line is next to your lane, you may cross the lines to pass if there is no oncoming traffic.

It is unlawful for anyone to drink from or possess an open container of alcohol while in a motor vehicle that is on a public road. Failure to adhere to this law will result in negative consequences for the driver.

An eight-sided sign always means "stop." You must come to a complete stop and wait for any vehicles or pedestrians to clear the way before proceeding.

A green arrow displayed on a traffic signal tells drivers that they may turn in the direction of the arrow. You must be in the proper lane for such a turn. Yield the right-of-way to vehicles and pedestrians already in the intersection.

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

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.

During the winter, take extra precautions when driving on bridges and overpasses, which can freeze before and remain icy longer than other roadways. A road on which ice and snow are completely frozen is pretty slippery, even though it provides more traction than a road with melting ice.

If two vehicles arrive at the same time to an uncontrolled intersection, the driver on the left must yield to the driver on the right. The driver on the left may then proceed when it is safe to do so.

A solid yellow line next to your lane means that passing is not permitted from your direction.

You must stop at a railroad crossing when directed to do so by a flagger or stop sign. Stop when flashing red signals and gates are present and operating.

If you become stranded in a snowstorm, the best thing to do is stay in your car and wait for help. You are most likely to be found if you don't leave your vehicle. Additionally, it may be unsafe to walk around outside in a snowstorm.

Warning signs prepare drivers for upcoming road conditions and hazards and are usually yellow with black markings. This sign warns drivers about an upcoming steep hill. They should adjust their speed accordingly to avoid brake damage or collision.

An arrow painted on the pavement within a traffic lane indicates that drivers in the lane must make the movement indicated by the arrow. Drivers should follow directions given by any traffic signs or signals before proceeding in the direction indicated by the arrow.

You should use low beam headlights when driving in fog, rain, or snow.

Warning signs are used to warn drivers about upcoming hazardous conditions and are usually yellow with black markings. This sign warns drivers that an upcoming bridge may be too narrow to meet or pass a truck and that they should be careful.

Safety belts can double your chance of surviving a crash and more than double your chance of avoiding serious injury. Airbags, when used properly with safety belts, provide additional protection in a front-end crash. You should wear both shoulder and lap belts.

This sign indicates that right turns are prohibited. Do not make a right turn at an intersection where this sign is posted.

This sign indicates that a roundabout is ahead. Enter a roundabout at a low speed and yield to existing traffic.

This sign indicates that there is a railroad crossing on the road ahead. You should always slow down when approaching a railroad crossing. Trains cannot yield to cars, so you must let them pass before crossing the tracks.

This sign indicates that right turns are prohibited.

A steady yellow traffic light indicates that the light will soon change to red. You should be prepared to stop for the red light, if it is safe to do so.

Circular traffic signs indicate upcoming railroad crossings. This sign tells drivers that they are approaching a railroad crossing and should be looking for signs of an oncoming train.

Stopping suddenly can make it difficult for drivers behind you to avoid a rear-end collision. When stopping, release the accelerator to allow your vehicle to slow. Press the brake pedal by applying steady pressure, activating your brake lights and causing the vehicle to stop smoothly.