The utility model is mainly applied to the technical field of expressways. The utility model relates to a height limiting device, in particular to an expressway lifting lane traffic-limiting height-limiting device. Supporting column, the supporting columns comprise a chassis, a base and stand columns from bottom to top. Rotary column arranged in base, the upper part of the rotating column is fastened with the column; a bearing sleeves the outer side of the lower part of the rotating column; the base and the bearing are respectively fixed on the chassis; a locking hole is formed in the bottom of the stand column, a treading locking assembly is arranged corresponding to the locking hole, a lifting push rod is arranged at the bottom in the stand column, a sliding block is arranged at the topof the lifting push rod, sliding wheels are arranged on the side portions of the sliding block respectively, sliding ways are arranged on the inner wall of the stand column corresponding to the sliding wheels, and one side of the sliding block is connected with a handrail. The device can be freely switched among a lane opening mode, a lane closing mode and a vehicle height-limiting passing mode according to actual needs of a toll station, a height-limiting device does not need to be additionally arranged, and troubles of back-and-forth carrying and storage are omitted. And installation and fixation are firm, and car smashing accidents are avoided.