Transportation in New York City (1951)

Arteries of New York City was produced by Encyclopedia Britannica Films in 1951. The film was wrongly marked as a 1941 film, but it is in fact from 1951. One must pay attention to the model year of cars that appear in the film in order to deduce the year.

Conquering Roads-Chevrolet Newsreel (1937)

Documentary from 1937 sponsored by Chevrolet & General Motors about the new highways being built across America. Plenty of scenes of cars and trucks from the era, as well as details of how the new roads are constructed.