A round sign means you are approaching a railroad crossing. This sign is posted a few hundred feet in front of the tracks and tells drivers to slow down, look, listen, and prepare to stop.

This sign indicates that U-turns are prohibited.

Do not stop at an accident scene unless you are involved or emergency help has not yet arrived. Keep your attention on your driving and keep moving, watching for people who might be on or near the road. Never drive to the scene of an accident, fire, or other disaster just to look.

Your driver license may be revoked if you attempt to avoid arrest or citation by fleeing from a law enforcement officer.

This sign warns that a steep downgrade is ahead on the road. Drivers should check their brakes.

When leaving an interstate, you should maintain your speed until you enter the deceleration lane, at which point you should reduce your speed to the exit ramp's posted advisory speed.

When passing, you should not return to your original lane until you can see both headlights of the passed vehicle in your rearview mirror. Always check your blind spots before moving back into your original lane.

Before changing lanes, you should activate your turn signal in the appropriate direction and check your rearview and side mirrors. Look over your shoulder in the direction you plan to move in order to check your blind spot and check the far lane to be sure no one else is trying to enter the same lane as you. Change lanes when you are sure it is safe to do so.

You must have evidence of financial responsibility, such as proof of insurance, with you whenever you drive. You must always show proof of insurance and your license to an officer upon request after a traffic stop or collision.

The speed limit in a business district is ordinarily 20 miles per hour. If another speed limit is posted, follow the posted limit.

There are a number of situations where it is unlawful for drivers to pass. Drivers may not pass a school bus that is loading or unloading children. Passing is prohibited within 100 feet of a railroad crossing, within 100 feet of an intersection, and within any other designated no passing zone.

If a tire suddenly blows out while you are driving, hold the steering wheel tightly and keep the vehicle going straight.You should slow down gradually, taking your foot off the gas pedal and using the brakes lightly. Do not stop on the road if at all possible. Pull off the road in a safe place.

You should look and listen for trains before crossing any railroad tracks. If an approaching train is near enough or going fast enough to be a danger, you cannot go across the tracks. This is true even if they have no signals or the signals are not working.

It is always unlawful to exceed the posted speed limit, even when passing another vehicle.

This sign warns that especially slippery conditions exist when the road is wet.

Children under age 18 are required to be secured in a safety belt or child safety seat when in a moving vehicle.

This sign marks parking spaces that are reserved for people with disabled parking permits.

There are a number of locations where it is prohibited to stop or park your vehicle. Among these locations are in front of a public or private driveway; within 20 feet of a crosswalk; and within 30 feet of any stop sign, flashing signal, yield sign, or other traffic control device located on the side of the roadway.

When using a freeway exit ramp, do not slow down until you move onto the exit ramp.

Unless a posted sign prohibits it, you may turn right or left at a steady green light. When turning, you must yield to other vehicles and pedestrians within the intersection.

When being passed, stay in your lane and maintain your speed, except in an emergency. In the case of an emergency, speed up, slow down, or leave the road as necessary to prevent a crash.

Children up to age six must be properly secured in a federally-approved child safety seat when in a moving vehicle. Violation of this law is punishable by a fine of $25 (plus court costs) and the assessment of one point on the operating driver's record.

You must never attempt to share a lane with a motorcyclist, even if it looks like there is enough room to do so. Motorcyclists need to have a full lane width to be able to maneuver safely.

Driving slower or faster than surrounding traffic is a major cause of rear-end collisions in work zones. When driving in a maintenance area, be alert to surrounding traffic and posted speed limits.

Under Nebraska law, a bicyclist has the same rights and responsibilities as a motorist and must obey all traffic laws. Drivers of motor vehicles should respect a bicyclist's right to share the roadway.