Which ubiquitous traffic aid was invented by Charles P. Rudebaker in 1914, in New York City?
Road cones Traffic cone Orange cone Traffic Cone Roadcone Safety cone Construction cone Traffic cones Highway cone Traffic pylon Road cone Yellow traffic cone
orange cone safety cone road cone construction cone roadcone highway cone traffic cones road cones traffic cone yellow traffic cone traffic pylon
traffic cone
WikipediaEntity
Traffic Cone