According to the American Public Transportation Association (APTA), Boston has the busiest light rail network of so-called urbanized areas, or cities with linked suburban areas, in the United States. As of 2015 66.3 million unlinked passenger trips were clocked in Massachusetts biggest city. Los Angeles and the Bay Area have pretty busy networks too.
Boston Has the Busiest Light Rail Network
Public Transportation

Description
This chart shows the top 10 cities with the busiest light rail systems (in 1,000 unlinked transit passenger trips)




















