Municipal road deceleration ridge convenient for segmented maintenance

The utility model discloses a municipal road deceleration ridge convenient to maintain in sections, relates to the technical field of road deceleration ridges, solves the problem of inconvenient maintenance, and comprises a fixed long plate and a plurality of deceleration blocks arranged and spliced on the fixed long plate; a plurality of groups of sliding blocks are arranged on the fixed long plate, and two sliding blocks are arranged in each group; the sliding block can slide in the direction perpendicular to the length direction of the fixed long plate, the bottom of the speed reduction block is correspondingly provided with an inserting groove for the sliding block to form sliding connection after the sliding block is inserted, and the two ends of the inserting groove extend in the length direction to be provided with locking grooves. Locking blocks capable of being inserted into the locking grooves are correspondingly arranged on the sliding blocks; and a driving assembly for driving the locking block to