North Carolina DMV Practice test link below:Traffic Control Signs
THE SHAPE AND COLOR OF SIGNS DIFFERS WITH THE TYPE OF INFORMATION THEY PROVIDE:
You may be asked the color and shape of different types of signs:
The STOP sign
Stop Sign Law: Come to a full stop, yield the right-of-way to vehicles and pedestrians in or approaching the intersection. Go when it is safe. You must come to a stop before the stop line, if there is one. If not, you must stop before entering the crosswalk. If there is no stop line or crosswalk, you must stop before entering the intersection, at the point nearest the intersection that gives you a view of traffic on the intersecting roadway.
YOU MUST BE ABLE TO RECOGNIZE AND KNOW ALL SIGNS.
SOMETIMES THEY MAY USE RED LETTERS OR SYMBOLS
TIP - They are regulating something, your speed, turns, etc.
WARNING SIGNS ARE YELLOW WITH BLACK LETTER/SYMBOLS DIAMOND SHAPE AND SOMETIMES COMBINED WITH A RECTANGULAR "RECOMMENDED SPEED" SIGN
TIP - They are warning you of conditions ahead.
GREEN WITH WHITE LETTERING
SHOWING DISTANCES AND DIRECTIONS TO VARIOUS LOCATIONS
Your town USA 25 Miles.
SERVICE SIGNS ARE BLUE WITH WHITE LETTERING
SHOWING LOCATION OF HOSPITALS, GAS AND REST AREAS ETC.
SOME EXAMPLES ARE:
Hospital next exit
RAIL ROAD CROSSING SIGNS:
Yellow with black letters and "X" symbol