How many categories of signs are there

By showing you in advance how the roads join each other, the signs let you know when the road you are traveling on does not continue straight through the intersection. The signs also warn you about possible problems with the movements of other vehicles. Approach all of these intersection types with extra caution by searching ahead and preparing to slow down, if necessary. This sign is placed at the far side of a T-intersection to tell you that you can only go left or right. The road you are on does not continue straight through at the intersection.

Each lane on the bridge or underpass becomes narrower, and there generally is no shoulder. You need to slow down and make sure you stay in your lane. If a driver approaching from the opposite direction has a wide vehicle or is taking up part of your lane, wait until they clear the area. Especially slippery conditions exist when wet. In wet weather, reduce your speed and increase your following distance. Do not accelerate or brake quickly.

Make turns at a very slow speed. This sign is posted in areas where deer frequently cross and crashes with deer have occurred. This sign may be placed on an underpass, or at the entrance to a tunnel or parking garage. Do not enter if your vehicle is taller than the height listed on the sign. These signs are placed in advance of locations where the shoulder is lower than the road or the shoulder is soft not paved. If you stray off of the roadway and one wheel drops off onto a low shoulder or a soft shoulder, do not slam on the brakes or steer sharply to try to get back onto the roadway — you can easily lose control of your vehicle!

Refer to Chapter 3 for information about how to safely recover from drifting off of the pavement. There is a steep hill ahead. Slow down and be ready to shift to a lower gear to control your speed and to save wear and tear on your brakes. A traffic signal is present at the intersection ahead. You may not be able to see it because of a curve or hill.

If the light is red or if the light has just turned green , a line of vehicles may be stopped ahead. When you see this sign, slow down and prepare to stop, if necessary. A STOP sign is present at the intersection ahead. You may not be able to see it because of a curve, hill, or something else blocking your view.

There also may be a line of vehicles stopped ahead at the STOP sign you cannot see. When you see this sign, slow down in preparation to stop. Bicyclists may be crossing your path ahead.

Be prepared to slow down, if necessary. This sign may have either a yellow background as shown or a fluorescent yellow-green background. You are approaching a railroad crossing. When you see this sign, begin looking and listening for a train. This sign is placed far enough in advance to allow you to stop before you reach the tracks, if necessary. The intersecting road has a railroad crossing within a very short distance from the intersection.

If you are planning to turn onto the intersecting road and if a train is approaching, be prepared to stop. Used at roadway pinch points no shoulder, narrow lanes, etc.

Used at a marked crosswalk or in advance of locations where pedestrians may be crossing your path. Be prepared to slow down or stop, if necessary. This is the only pentagon-shaped sign used on the roadway.

It means you are approaching a school zone. If the sign is accompanied by a downward-pointing arrow, it means you are at the school zone crosswalk. You should slow down, watch for children crossing the road and stop, if necessary.

This sign is posted in areas where slow-moving, horse-drawn vehicles cross or share the roadway with motorized vehicles. Objects close to the edge of the road sometimes need a marker to warn drivers of the potential danger. These include underpass supports, ends of bridges, guiderails, and other structures.

In some cases, there may not be a physical object involved, but rather a roadside condition such as a drop-off or an abrupt change in the roadway alignment. Such roadside objects and conditions are indicated by the following markers, where the stripes are angled down in the direction you need to move to avoid the hazard:.

Highway workers have forms to report motorists who speed or drive unsafely in work zones to the police, who may then issue a ticket, resulting in fines and points. Work zone signs are normally diamond-shaped, like warning signs, but they are orange with black lettering instead of yellow with black lettering. These signs identify maintenance, construction, or utility areas where workers or equipment may be on or near the roadway.

Stay alert and slow down when you see these signs. Turn on your headlights when traveling through a work zone, no matter what time of day.

This is the law for all posted work zones, not just for active ones. Using your headlights makes your vehicle more visible to other traffic as well as to highway workers. An active work zone is the portion of a work zone where construction, maintenance, or utility workers are on the roadway, or on the shoulder of the highway next to an open travel lane.

This sign informs you there is road work ahead and also cautions you to slow down. This sign tells you a particular lane will be closed at a specified distance ahead.

Workers may be on or are very close to the roadway, so take special care when traveling through the area. Warning signs are used to warn motorists and pedestrians about a given area. Examples of warning signs include left turn ahead, led reverse turn ahead, right curve ahead, winding road left ahead, hairpin curve ahead, side road at angle, sharp to the right, sharp curve to the left, intersection and hill with grade.

Finally, guide signs live up to their namesake by guiding motorists not pedestrians through a given area. They contain essential information about an area, such as location markers. Examples of guide signs include interstate route markers, country route markers, U. While regulatory, warning and guide signs are the three primary types of traffic signs used in the United States, there are other types approved by the Federal Highway Administration FWA.

Motorist services and recreation signs, for example, include signs for tent camping, food, lodging, telephone, hospital, emergency services, information, gas, rest area, picnic area, litter barrel, bathrooms and auto mechanic. There are also pedestrian and bicycle signs that provide information or instructions to pedestrians and cyclists. Signs Welcome to our quick and easy driving information guide.

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