This week the Texas Department of Public Safety (DPS) will place special enforcement emphasis on the addition of tow trucks to the Move Over/Slow Down law, which requires motorists to move over or slow down when certain vehicles are stopped on the side of the road with emergency lights activated. To remind the public of this important safety measure, the Texas Department of Transportation (TxDOT) will activate electronic signs this week, which will read: If Tow Truck Stopped Ahead, Move Over ...