Department of Rural Roads (DRR) (Thai: กรมทางหลวงชนบท) is a department of the Thai government, under the Ministry of Transport.

It maintains rural roads, under a different numbering scheme from national roads, which are managed by the Department of Highways (DOH), กรมทางหลวง, Krom Thang Luang).

Registration of rural highways is overseen by the director general of the DRR.

Depicted is YS4011, a rural road in Yasothon Province.

The rural road network measures some 35,000 km, about 82% of which is paved.