Road height-limiting device

The utility model relates to a road height-limiting device. The road height-limiting device comprises two fixed seats, two upright posts and a transverse beam, wherein the upright posts are connected with the fixed seats; two ends of the transverse beam are provided with a casing pipe respectively; the transverse beam is sleeved between the two upright posts through the casing pipes at the two ends; first fastening bolts are arranged outside the casing pipes; and the height of the transverse bean is larger than the limited height. The road height-limiting device has the effect of enabling large-size vehicles and small-size vehicles to run on divided roads, thereby improving the safety and the order of the road traffic. The road height-limiting device has a simple structure and can effectively limit overhigh vehicles to run.