Drivers should not pass on a hill, in a curve, or in any other area where visibility is limited. Drivers should only pass where they may legally and safely do so.

The only place where you may lawfully throw your trash on the highway is into a litter barrel. Litter barrels are also found at all rest/picnic areas. Signs may indicate when a litter barrel is ahead on the road.

Slow down when driving at night and be sure you can stop within the distance illuminated by your headlights. You must use your headlights 30 minutes after sunset until 30 minutes before sunrise.

This sign warns that the road is slippery when wet.

You should not park within 50 feet of a railroad crossing. An improperly parked vehicle may cause a crash.

As your speed increases, your field of vision decreases. When driving, you should do your best to take in your full available field of vision.

Factors that can affect braking distance include how fast your vehicle is traveling, the condition of your brakes and tires, and the condition of the pavement.

This sign indicates that the road ahead changes direction at an extreme angle (in this case, to the right). Before you reach such an extreme curve, you should slow down as much as you would when making a turn at an intersection.

When you are in a construction and maintenance work area, be prepared to slow down or stop as you approach workers and equipment. Be prepared to change lanes. Be prepared to react to unexpected movements of workers and equipment.

A green steady arrow means you may pass through the intersection in the direction that the arrow is pointing. Oncoming traffic is required to stop for turning traffic.

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.

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.

This sign indicates that hospital emergency services are located to the right.

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

When you operate a motor vehicle in Texas, 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 license will be immediately suspended if you refuse.

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.

When approaching an unmarked railroad crossing, slow down and be prepared to stop. Before you cross, be sure that no trains are approaching from either direction on any track. If you see or hear a train coming, stop at a safe distance from the nearest track and wait to proceed until after the train passes.

The diagonal stripes on a barricade or vertical panel guide drivers in the direction in which they should pass. Stripes sloping downward and to the right mean the driver should bear to the right. Conversely, stripes sloping downward and to the left mean bear to the left.

Double solid lines indicate that you may not pass or change lanes. You cannot cross the lines unless it is to turn left to enter or exit a highway, to turn into or from a driveway, or to make a U-turn (where permitted).

Activate your turn signal prior to beginning a turn to alert surrounding drivers to your intentions. Complete the turn and then turn off your signal.

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.

Yellow lines separate traffic moving in opposite directions. A single dashed yellow line in the center of a road indicates that vehicles traveling in both directions are permitted to pass. Drivers may only begin a pass if they will not interfere with any oncoming traffic.

A double solid yellow line down the center of a two-way road means that it is prohibited for traffic from either direction to cross the center to pass.

When passing a bicyclist, slow down and give them as much space as you can. Bicyclists have much less protection than drivers of motor vehicles and they should not be crowded. Passing a bicycle too quickly can shift the bicyclist off-course.

When other drivers are behaving angrily, you should take action to physically and mentally distance yourself from the situation. Avoid making eye contact with them, or making body movements or gestures that could provoke them. Slow down, move over, or do whatever you safely can to put yourself out of danger.

You should always slow down when driving on narrow or winding roads, near intersections, near railroad crossings, on hills, in sharp or blind curves, where there are pedestrians or driving hazards, and when the roads are wet or slippery.

Drivers may not pass within 100 feet of a bridge, viaduct, or tunnel. Drivers should only pass where they may legally and safely do so.

The slightest contact between a car and a motorcycle can mean a spill or injury for the rider. Allow a following distance of at least four to six seconds when following a motorcycle so the motorcyclist has enough time to maneuver or stop in an emergency.

Warning signs are used to warn drivers about upcoming hazardous conditions and are usually yellow with black markings. This sign warns drivers that the road ahead curves to the right and then to the left.

Locations where it is unlawful and unsafe to pass another vehicle include hills, curves, intersections, and railroad crossings.