Share taxi vehicles that follow a rough service route, but can go slightly out of their way to pick up and drop off passengers. In many US cities (e.g. Pittsburgh and Detroit), the term "jitney" refers to an unlicensed taxi cab. The name comes from an archaic, colloquial term for a five-cent piece in the US (the nickel). The common fare for the service when it first came into use was five cents, so the "five-cent cab" or "jitney cab" came to be known for the price charged. In Rhode Island a jitney license plate is used for all public passenger buses,
Yellow Cab Company equally divided amongst Hertz, Parmelee and a small group of other investors. Hertz sold the Yellow Cab Manufacturing Company to General Motors in 1925. He sold his remaining interest in the Yellow Cab Company in 1929. Yellow Cab Co. (of Chicago) was bought by Morris Markin, who had established Checker Cab Manufacturing Company, with the Checker Taxi, a driver's cooperative. In 1929 he sold his remaining share of Yellow Cab to concentrate on car rental (later Hertz Rent-a-Car which incidentally still uses a yellow logo). The sale was prompted by the violence associated with the business that culminated in 1928