Alcohol reduces your reaction time, reduces your ability to see clearly, changes your judgment of speed and distances, reduces your ability to recover from the glare of headlights, and often reduces your inhibitions and makes you more likely to take risks.

Driving too fast for conditions is a major cause of motor vehicle crashes. Being inattentive to surroundings can cause a driver to collide with other vehicles. Most rear-end collisions are caused by drivers following other vehicles too closely.

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

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.

This sign indicates that you are approaching a railroad crossing.

A green light tells you that you can go through the intersection. However, you must first yield the right-of-way to traffic and pedestrians who are still in the intersection.

You must not follow a fire truck responding to a fire alarm at a distance closer than 500 feet. You must not drive or park your vehicle within the block where a fire truck has stopped to answer a fire alarm.

If your vehicle’s accelerator sticks open, your vehicle will continue to maintain its speed or accelerate, even if you remove your foot from the gas pedal. Turn off the ignition, using care to move the ignition switch only far enough to stop the engine and not engage the steering wheel locking mechanism. Apply your brakes and move off the road to a safe area.

Distractions cause drivers to react more slowly to traffic and hazards on the roadway. Distracted driving is never safe.

A flashing red traffic signal has the same meaning as a stop sign. At an intersection with a flashing red light, you must come to a complete stop, look both ways, and proceed only after the intersection is clear.

A "No stopping" sign means you can only stop to obey a traffic signal, to obey a police officer, or to prevent a conflict with another vehicle.

When passing, you must always signal at least 100 feet in advance of your lane change. Always check behind you in your mirrors and look over your shoulder to check your blind spot. Wait until you can see both headlights of the passed car in your rearview mirror before returning to your original lane.

Octagonal signs are always stop signs. Come to a complete stop when approaching a red, eight-sided sign.

You cannot pass safely when driving on a two-way, two-lane street unless you can clearly see the road ahead, you can return to your lane before meeting oncoming traffic, and your vehicle is capable of the speed necessary to pass. Do not pass where it is illegal and unsafe to do so.

When approaching a T intersection while traveling on the street ending at the intersection, you must stop and yield the right-of-way to vehicles on the crossroad. Only proceed when it is safe to do so.

In Texas, fines for all traffic violations occurring in a construction or maintenance zone are doubled if workers are present and warning signs are present in advance of the work zone.

Yield the right-of-way to any approaching emergency vehicle that is using its flashing lights or siren, regardless of its direction of travel. You must immediately drive to the right side of the road and stop until the emergency vehicle has passed. If you are within an intersection, pass through the intersection before coming to a stop on the right side of the road.

If involved in an accident, you should stop your vehicle immediately. If possible, move the vehicle out of the way of traffic. Call the nearest police agency and ask for an ambulance, if necessary. Do not move the injured unnecessarily, but attempt to stop severe bleeding with direct pressure. Wait for emergency vehicles to arrive.

This sign means that a traffic signal is ahead. You should slow down and be prepared to stop.

Convictions for some offenses result in the automatic suspension of your license and driving privilege. These offenses include racing on a public highway or street, graffiti, and lending a license to another individual.

After an accident, do not move the injured unnecessarily. Unskilled handling can make serious injuries out of minor ones. Keep the injured warm until skilled help arrives. If there is severe bleeding, attempt to stop the flow of blood with direct pressure.

In snowy weather, keep your windshield and mirrors clear. Increase your following distance when driving in wet and cold weather because a slippery road surface will increase the distance needed for your vehicle to stop.

Regulatory signs regulate the movement of traffic. They are usually white with black markings and must always be obeyed by motorists.

You must yield the right-of-way to police cars, fire engines, ambulances, or any other emergency vehicles using a siren or air horn and a red or blue flashing light. Follow any instructions given over the emergency vehicles' loudspeakers. Emergency vehicles often follow each other so you should proceed only when you are certain the way is clear.

A flashing yellow light warns of a hazard. Slow down and proceed with caution.

This sign indicates that there is a flagger ahead controlling traffic in a construction area.

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.

Pedestrian hybrid beacons are used at pedestrian crossings. If the signal is flashing red, drivers should come to a complete stop before proceeding.

If you are stopped by the police, keep your hands on the wheel and ask any passengers to keep their hands in view as well. You should remain in the vehicle unless the police officer asks you to get out. Wait until the officer asks you to retrieve your driver license, registration, and insurance cards.

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.