Warning signs are usually yellow with black markings. This sign indicates that a divided highway is beginning and cars should keep to the right.

Warning signs are usually yellow with black markings. They alert you to conditions that are immediately ahead. This sign is used to warn drivers about an upcoming curve to the right.

A red arrow means "stop." You must remain stopped until a green light or green arrow appears. Do not turn against a red arrow.

At a railroad crossing marked with this sign, a driver should look both ways, listen for any trains, and be prepared to stop if any trains are nearby. Never try to outdrive an oncoming train.

Orange warning signs are used in and around work zones. Use special caution when you see orange signs, cones, or barriers on a roadway.

Before merging into interstate traffic, you should identify a gap, accelerate to the speed of traffic, and signal. Merge into the gap when it is safe to do so. Be alert to other traffic and do not expect other drivers to clear the lane.

If there is danger, you may need to sound a sharp blast on your horn. Do this when a child or any other pedestrian is about to enter into the street in front of your moving vehicle.

A number of drugs can impair your ability to drive, including depressant medications like tranquilizers and sedatives; over-the-counter cough syrups, cold tablets, and allergy medications (which may contain impairing substances like alcohol, codeine, or antihistamines); and illegal drugs.

In Connecticut, anyone convicted of speeding, disobeying traffic control devices, using an improper lane, or endangering a highway worker within a work zone can face fines of up to $1,000, can be assessed points against their driver license, and may be required to complete the driver retraining program. In addition, distracted driving fines are doubled for anyone convicted of illegally using a hand-held cellular phone or mobile electronic device while driving in a work zone.

Even if your vehicle is properly equipped with mirrors, there are blind spots that cannot be seen by using the mirrors. Before changing lanes, look over your shoulder to check these areas.

State law requires children under the age of 16 to be secured in proper child restraint and safety systems while riding in a vehicle. The required child restraint system for a child who is under the age of one and weighs 20 pounds or less is an approved rear-facing child restraint system.

Regulatory signs inform drivers of specific laws that must be obeyed. Displayed laws may be about traffic direction, lane use, turning, speed, parking, or special situations. Regulatory signs are commonly white squares or rectangles with black, red, or green letters or symbols.

Even if you are facing a green traffic light, do not start across the intersection if there are other vehicles blocking your way. If you are caught in the intersection when the light changes to red, your vehicle will block cross traffic. You can get a ticket for blocking an intersection.

As you enter a work zone, signs and message boards will warn you of workers, slow-moving equipment, and/or closed lanes ahead. You should reduce your speed and be prepared to slow down or stop.

You must yield the right-of-way to police vehicles, fire engines, ambulances, or other emergency vehicles using sirens, air horns, or red or blue flashing lights. When you see or hear an emergency vehicle approaching from any direction, you must pull over to the right edge of the road, or as near to the right edge as possible, and stop your vehicle.

If your wheels drop off the roadway or pavement edge, do not attempt to turn back onto the roadway immediately. Instead, reduce your speed, check traffic, and gradually turn back onto the roadway when it is safe to do so.

If you are already within an intersection when the traffic light turns yellow, you should clear the intersection as quickly as possible.

Because your tires will not grip the road under wet, snowy, or icy conditions as well as they will under dry conditions, you should slow down if the roadway is wet or icy.

If your vehicle is hit from the rear while you are in forward motion, your body will be thrown backward. Brace yourself by pressing against the back of your seat and putting your head against the head restraint to prevent whiplash. Maintain a firm grip on the steering wheel and be ready to apply your brakes to avoid being pushed into another vehicle.

When driving under snowy or icy conditions, you should make speed and directional changes gradually. Never use cruise control when driving on snow or ice because your tires may lose contact with the road and you will lose control of your vehicle.

This sign means drivers cannot make a left turn. It is unsafe and unlawful to make a left turn at an intersection where this sign is posted.

Driving defensively means anticipating potential errors made by others and preparing to compensate for their mistakes.

Rubbernecking (the practice of slowing down to look at collisions or other out-of-the-ordinary things) contributes to traffic congestion and should be avoided.

Before you return to your driving lane, be sure you are not dangerously close to the vehicle you have just passed. One way to do this is to look for the vehicle in your inside rearview mirror. When you can see both headlights in your rearview mirror, you may have enough room to return to your driving lane.

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.