(in the US) a wide road, where traffic can travel fast for long distances. You can only enter and leave freeways at special ramps. a freeway exit an accident on the freeway See related entries: Types of roadExtra examples We were driving down the freeway. He left his car in a parking lot under a freeway overpass ramp. I began to feel nervous as I approached the city on the freeway. It’s one of the busiest stretches of freeway in the county. We drove home along miles of empty freeway.