Early automobile from the 1910s and cars in the late 1950s-early1960s

By 1960, the United States had registered 70 million vehicles, and 100 million automobiles were in operation globally. The motor car had become a significant part of life, with over 70% of American families owning at least one. Major cities like Los Angeles were bustling with cars, creating a scene of constant movement.

What does the text suggest about the state of the motor car by 1960?

Which major city is mentioned as having a large number of cars and drivers?