DALLAS – A motorcycle crash into a Dallas police car caused a major backup on N. Central Expressway, according to the Dallas Police Department. According to DPD, the crash happened around 8:50 p.m. on Tuesday in the 7400 block of North Central Expressway. A motorcyclist crashed into a marked Dallas police squad car in the southbound lanes and was taken to the hospital in stable condition, police said. DPD said no officers were hurt.