Six-car collision closed U.S. 75 in Richardson Thursday mor…

Car Crash Richardson Texas in Richardson, Texas: A six-car collision on U.S. Highway 75 at Spring Valley closed all southbound lanes in Richardson on Thursday morning around 6:40 a.m. No injuries occurred during the multi-car collision. Four of the six vehicles were towed from the scene, and the exact cause of the accident is unknown. The Richardson Police Department is investigating.