The invention discloses a municipal road and a construction method thereof, and belongs to the technical field of road construction, which aims at providing a municipal road construction method capable of reducing the temperature difference between concrete interior and surface layer after casting. The construction method adopts the technical scheme with the following steps of positioning and lofting, excavation of subgrade grooves, primary rolling, setting of a formwork, building of a sunshade shed, paving of a bedding layer, paving of a base layer, paving of a cotton layer, removal of the formwork, joint cutting, curing, and joint filling. The construction road has the advantages that the higher-quality road can be obtained, the service life is longer, and the construction method is suitable for constructing urban and rural roads.