Unhitched Boat Trailer Breaks Free And Causes Highway Wreck Murfreesboro, Tennessee — A driver records video from behind a vehicle towing a boat as the trailer suddenly becomes detached while traveling at highway speed. The unhooked trailer swerves violently across lanes, lifting and twisting as the boat tips upward and crashes down onto the roadway, scattering debris as surrounding traffic brakes and veers to avoid impact. The boat and trailer come to rest across the highway as drivers slow to