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
safety cone road cones traffic cones road cone roadcone traffic pylon yellow traffic cone orange cone traffic cone highway cone construction cone
traffic cone
WikipediaEntity
Traffic Cone