In Tamil Nadu, a separate "Highways Department" (HD) was established on April, 1946 and the same has been renamed as Highways & Minor Ports Department (HMPD) on 30 October 2008.
In Tamil Nadu, the Highways & Minor Ports Department (HMPD) is primarily responsible for construction and maintenance of roads including national highways, state highways and major district roads. HMPD was established as Highways Department (HD) on April, 1946 and subsequently renamed on 30 October 2008.