They were oldsmobiles mostlyThey were oldsmobiles mostly
what were cars like in 1940, 1980 and in between.
Google "1940's automobiles".
Old Cars
Yes there were.
AutoMatic Cars
boeing 747
cars
yes
The internal combustion engine was in steady production in the 1940's, so transportation involved cars, trucks and busses. There were also airplanes in use.
Looking at pictures of these Police cars it does not look like they had sirensAdded: I believe that they used alarm bells or "military horns" (alternating high-low pitch)
I do believe the modes of transportation in the 1940's were automobiles, buses, trolley cars and trains.
Yes. At least they did in New York.