Road signs United States app for iPhone and iPad

Browse among the United States traffic and road signs.
Here you will get full information about every sign table. Title, picture and meaning.
There is a quiz that help you to improve you traffic rules knowledge.

All signs grouped by category.
R1 SERIES: STOP AND YIELD
R2 SERIES: SPEED LIMIT
R3 SERIES: LANE USAGE AND TURNS
R3 SERIES: LANE USAGE AND TURNS
R4 SERIES: REGULATION OF MOVEMENT
R5 SERIES: EXCLUSIONARY
R6 SERIES: ONE WAY AND DIVIDED HIGHWAY
R7 SERIES: PARKING
R8 SERIES: PARKING AND EMERGENCY RESTRICTIONS
R9 SERIES: BICYCLES AND PEDESTRIANS
R10 SERIES: TRAFFIC SIGNAL
R11 SERIES: ROAD CLOSED
R12 SERIES: WEIGHT LIMITS
R13 SERIES: WEIGH STATIONS
R14 SERIES: TRUCK ROUTES
R15 SERIES: RAIL AND LIGHT RAIL
R16 SERIES: SEAT BELTS AND HEADLIGHT USE
SCHOOLS
W1 SERIES: CURVES AND TURNS
W2 SERIES: INTERSECTIONS
W3 SERIES: ADVANCE TRAFFIC CONTROL
W4 SERIES: LANES AND MERGES
W5 SERIES: ROAD WIDTH RESTRICTIONS
W6 SERIES: DIVIDED HIGHWAYS
W7 SERIES: HILLS AND GRADES
W8 SERIES: PAVEMENT AND ROADWAY CONDITIONS
W9 SERIES: LANE TRANSITIONS
W10 SERIES: RAIL AND LIGHT RAIL
W11 SERIES: ADVANCE WARNINGS AND CROSSINGS
W12 SERIES: LOW CLEARANCES
W13 SERIES: ADVISORY SPEEDS
W14 SERIES: DEAD END STREETS AND NO PASSING ZONES
W15 SERIES: PLAYGROUNDS
W16 SERIES: SUPPLEMENTAL PLAQUES
W17 SERIES: SPEED HUMPS
W19 SERIES: END OF CONTROLLED ACCESS HIGHWAY
W20 SERIES: WORK ZONES
W21 SERIES: ROAD WORK
W22 SERIES: BLASTING ZONES
W23 SERIES: SLOW TRAFFIC
W24 SERIES: DOUBLE REVERSE CURVES
W25 SERIES: ONCOMING TRAFFIC HAS EXTENDED GREEN
MISCELLANEOUS
INTERCHANGE SIGNS
SHIELD MARKERS
STREET NAME SIGNS