The Cross Bronx Expressway is the single worst highway in the United States. It’s 8.3 miles contain 4 of the country’s 11 worst bottlenecks, and the greater Metropolitan area has 19 of the country’s worst 50 choke points.
The four Cross Bronx Expressway choke points are:
The west-bound approach to Exit 4B at the Bronx River Parkway (average speed is 11 mph)
Westbound exits at the Sheridan Expressway
White Plains Road
The statistics was collected by INRIX, a traffic-research company using GPS data from participating drivers.