The utility model provides a system by bus of not stopping for rail vehicle belongs to a rail transit car technical field. Main track passenger train side is equipped with the race isometric with theautomobile body, and the race both ends are equipped with induced groove, and the wheel inslot in main track passenger train gate both sides is equipped with displacement sensor, the door position ofstation track transport vechicle is equipped with rubber folding channel and hydraulic telescoping rod and self -lock device, and self -lock device and hydraulic telescoping rod are articulated, the tip of the hydraulic telescoping rod third level is equipped with guider, and guider includes to walk leading wheel and support that road wheel and level set up, is equipped with vertical damper and horizontal damper on the support, hydraulic telescoping rod is the three -stage expansion link structure, and three -stage expansion link is connected with the flexible spout that difference in height such as three was arranged respectively, the bottom plate that the difference in height was arranged such as is equipped with on the groove face of flexible spout respectively, rubber folding channel both ends all are equipped with a shape bracing piece, and the both ends of door shape bracing piece are fixed with the flexible spout of both sides respectively. Mainly used does not stop by bus.