21951 : Whenever any vehicle has stopped at a marked crosswalk or at any unmarked crosswalk at an intersection to permit a pedestrian to cross the roadway the driver of any other vehicle approaching from the rear shall not overtake and pass the stopped vehicle.

21951：当任何车辆停在有标记的人行横道或交叉路口的任何无标记的人行横道上以允许行人穿过道路时，任何其他从后面接近的车辆的驾驶员不得超车和超越停止的车辆。