From Longman Dictionary of Contemporary Englishtraffic jamˈtraffic ˌjam ●●○ noun [countable] TTCa long line of vehicles on a road that cannot move or can only move very slowly We were stuck in a traffic jam for two hours.
Examples from the Corpus
traffic jam• There was a long halt, as a traffic jam piled up ahead.• Look, Chief, you want to cause a traffic jam?• We were stuck in a traffic jam on the freeway for two hours.• The Columbia River was a traffic jam of barges carrying bauxite to the smelters in Longview, Washington.• Otherwise every traffic jam will gradually vanish beneath a rising tide of its own foamy output.• A rush-hour style traffic jam at 12 p.m.stuck in ... traffic jam• I was thinking about his while stuck in a traffic jam the other day.