A bogie lateral movement-limiting system capable of effectively restricting the lateral movement of a derailed bogie. In the one-way transmission structure, an active portion and a passive portion can be connected flexibly, which has advantages such as a simple structure, a low manufacturing and maintenance cost, and conveniences in mounting and maintenance. A second adaptation value, determined at a second point in time after the first point in time, is compared with the first adaptation value stored in the extreme value storage unit to determine whether the second adaptation value exceeds the first adaptation value in a prespecified direction.