The document lists the ten worst traffic corridors in the U.S., with four located in New York City and three in Chicago. Seven of the ten worst corridors are on interstates, whereas the slowest traffic is identified on 42nd and 34th streets in New York City.

1. Ten Worst US Traffic Corridors
Four of the ten worst are in New York City and three in Chicago. While 7 of 10 are on
interstates, the slowest are 42nd and 34th streets in NY.