South Dakota road signs practice test

B: Yellow diamond with black lettering or symbols. Warning signs are usually yellow with black lettering or symbols and are diamond shaped. South Dakota Driver License Manual: Warning Signs, page 33.

B: School zone, school crossing and pedestrian crossing signs. Some warning signs, such as school zones, school crossing and pedestrian crossing, may be fluorescent yellow. South Dakota Driver License Manual: Warning Signs, page 33.

B: A highway-railroad grade crossing is ahead; slow down, look and listen. The round yellow RR sign cautions you to slow down, look and listen, and be prepared to stop for a train. South Dakota Driver License Manual: Railroad Crossing Warning Signs, page 33.

A: A crossbuck. This white X-shaped sign at the crossing is called a cross-buck. South Dakota Driver License Manual: Railroad Crossing Warning Signs, page 33.

B: A phone number to report problems and a DOT number identifying the crossing location. The blue ENS sign has an emergency number and a DOT number identifying the crossing's location. South Dakota Driver License Manual: Railroad Emergency Notification System (ENS), page 34.

B: Orange with black letters or symbols. Work zone signs are diamond or rectangular, orange with black letters or symbols. South Dakota Driver License Manual: Work Zone Signs, page 34.

B: They may be doubled. Fines for speeding in a work zone may be doubled. South Dakota Driver License Manual: Work Zone Signs, page 34.

C: White with black, red or green letters. Regulatory signs are white with black, red or green letters and/or symbols. South Dakota Driver License Manual: Regulatory Signs, page 35.

B: The action shown is prohibited. Some regulatory signs have a red circle with a slash, which prohibits certain actions. South Dakota Driver License Manual: Regulatory Signs, page 35.

B: Behind the stop line or crosswalk if present, or before the stop sign itself. Stop behind the stop line or crosswalk if present, or before the stop sign itself. South Dakota Driver License Manual: Stop Sign, page 35.

B: Red and white downward-pointing triangle. A yield sign is a red and white downward-pointing triangle with red letters. South Dakota Driver License Manual: Yield Sign, page 35.

B: Traffic flows only in the direction of the arrow. One-way signs mean traffic flows only in the arrow's direction; never drive the wrong way. South Dakota Driver License Manual: One-Way Street, page 35.

B: 25 mph. The slow-moving vehicle emblem means the vehicle is traveling less than 25 mph. South Dakota Driver License Manual: Slow Moving Vehicle, page 36.

B: Green, brown or blue. Guide signs are square or rectangular and green, brown, or blue. South Dakota Driver License Manual: Guide Signs, page 36.

B: Rest areas, gas stations, campgrounds or hospitals. Service signs are blue with white letters or symbols showing services. South Dakota Driver License Manual: Service Signs, page 36.

A: A divided highway begins ahead. It warns that a divided highway begins ahead, so a median will separate the two directions of traffic. South Dakota Driver License Manual: Warning Signs, page 33.

B: The road curves to the right ahead. A gently bent arrow is the right curve warning; slow to a safe speed before you enter the curve. South Dakota Driver License Manual: Warning Signs, page 33.

A: A stop sign is ahead; be ready to stop. This is the stop ahead warning. It gives you time to slow down for a stop sign you cannot see yet. South Dakota Driver License Manual: Warning Signs, page 33.

B: A traffic signal is ahead. It warns of a traffic signal ahead so you are ready to stop if the light is red or changing. South Dakota Driver License Manual: Warning Signs, page 33.

B: Be ready to merge because a lane ends ahead. This lane ends sign means the road loses a lane ahead. Adjust your speed and merge smoothly. South Dakota Driver License Manual: Warning Signs, page 33.

A: Merging traffic ahead. It warns that traffic will merge into your road ahead, so watch for vehicles entering and adjust your speed or position. South Dakota Driver License Manual: Warning Signs, page 33.

B: Road slippery when wet. It is the slippery when wet sign. Slow down when the pavement is wet, because your tires grip less. South Dakota Driver License Manual: Warning Signs, page 33.

B: Watch for deer crossing the road and be ready to slow or stop. It warns of a deer or animal crossing. Deer are a frequent crash hazard in South Dakota, especially at dusk and dawn. South Dakota Driver License Manual: Warning Signs, page 33.

A: Low clearance ahead. It is the low clearance sign. Tall vehicles must not pass under the structure if they are taller than the height shown. South Dakota Driver License Manual: Warning Signs, page 33.

B: Steep hill ahead. It warns of a steep hill. Check your speed and mirrors going downhill and watch for large vehicles picking up speed. South Dakota Driver License Manual: Warning Signs, page 33.

A: A roundabout. It warns of a roundabout ahead. Slow down, yield to traffic already in it on your left, and travel counterclockwise. South Dakota Driver License Manual: Warning Signs, page 33.

B: You must not enter; it usually marks a one-way road going the other way. Do Not Enter is a regulatory sign. You may not drive past it into the road or ramp it guards. South Dakota Driver License Manual: Regulatory Signs, page 35.

B: No U-turn. A red circle with a slash prohibits the action shown, so this sign means no U-turn. South Dakota Driver License Manual: Regulatory Signs, page 35.

B: A flagger ahead directing traffic. Orange signs are for work zones. A flagger ahead will tell you when to slow, stop or go, and you must follow their directions. South Dakota Driver License Manual: Work Zone Signs, page 34.