What happened? In the 1920s, cars really starting clogged the streets and highways, and the streetcars and interurbans, from being quick and efficient, became the most sluggish things on the road. GM and motordom hurried things along by promoting "bustitution" of rail. https://cdn.masto.host/urbanistssocial/media_attachments/files/111/059/697/046/895/553/original/28d6bc246d62c1e8.jpg