National Highway 179A (India)

National Highway 179A, commonly referred to as NH 179A, is a national highway in India, which comes under Ministry of Road Transport & Highways, Government of India. It is a secondary route of National Highway 79. NH-179A traverses the state of Tamil Nadu in India.

Route
Salem, Harur, Uthangarai, Thirupathur, Vaniyambadi.

Junctions

 * Terminal near Salem.
 * Terminal near Harur.
 * near Uthangarai.
 * Terminal near Vaniyambadi.

Project development
Four laning of national highway 179A has been taken up along stretch from Harur to Vaniyambadi. Salem to Harur stretch is part of Chennai - Salem greenfield highway project which is also part of Bharatmala Pariyojana scheme. Chennai-Salem Greenfield Corridor under the Bharatmala Pariyojana, a centrally-sponsored and funded road and highways project, is a 277.30 km highway that involves the development of the Tambaram to Harur Section of NH-179B, Harur to Salem Section of NH-179A, Chengalpattu to Kancheepuram Section of NH-132B, Semmampadi to Chetpet Section of NH-179D and Polur to Tiruvannamalai Section of NH-38.