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Heavy Traffic...
(i.imgur.com)
A community for everything old and youngtimers! That includes Cars, Bikes, Trucks, Bicycles and all other old Personal Vehicles!
Oldtimers are Defined as Vehicles 30 years or older, whereas Youngtimers are between 25 and 30 years of age!
Reverse image search says you're right. "Traffic on the West Side Highway, New York City, circa 1943. Courtesy: CSU Archives/Everett Collection"