end road work 50 km/h speed limited zone safety warning sign

protest capital architecture building area hour parking no arrow truck yellow roadsign turn triangle path white yield construction farm hunting roundabout right stop school zone attention pedestrian circle concept vehicle car vector signal lane law light icon isolated danger design direction way illustration safer careful restrict rule background transportation traffic caution highway warning street safety road sign symbol information limit speed slow km red city travel drive enforce safe restriction kilometers round regulation outdoor transport asphalt mph