Cars are propelled down the tunnels to collide in the central hall using laser instrumentation so accurate that it can control the point of impact to within a few centimetres.

• 汽车被推入隧道后，在中央大厅中碰撞，由于采用了激光仪器，所以测试人员能够准确控制撞击点，偏差不超过几厘米。