Traffic jams cost US $87 billion in lost productivity in 2018, and Boston and DC have the nation's worst
By Phil Le Beau
Did you lose 138 hours to Seattle-area traffic last year? New report ranks 5 other cities even worse
By Mike Lindblom
Cities with the worst traffic in the world: LIST
By Mark Matousek
Boston has the worst rush-hour traffic in the U.S., report says
By Christopher Gavin