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Map indicating road network of Tamil Nadu. In Tamil Nadu, there is a separate Highways Department (HD) [1] which was established in April 1946 and renamed as Highways & Minor Ports Department (HMPD) on 30 October 2008. [2]
As of 2023, Tamil Nadu has an extensive road network covering about 2.71 lakh km with a road density of 2,084.71 kilometres (1,295.38 mi) per 1000 km 2 which is higher than the national average of 1,926.02 kilometres (1,196.77 mi) per 1000 km 2. [3]
The Tamil Nadu State Highways Network has eight circles: Chennai, Villupuram, Madurai, Salem, Tiruchirappalli, Coimbatore, Tiruppur and Tirunelveli. [ 1 ] The state has a total of 286 state highways, 161 state highways urban (SH-U) stretches and 905 major district roads (MDRs), apart from other district roads (ODRs).
East Coast Road (ECR), combination of SH-49, NH-332A, NH-32, officially known as Mutthamizh Arignar Kalaignar Road, is a two-lane highway (now being partially widened to four lanes from Chennai to Mamallapuram) in Tamil Nadu, India, built along the Bay of Bengal coast.
Many cities in four districts in Tamil Nadu on the road connecting . In each district, on the road, the main areas are listed below. Cuddalore : Nellikkuppam , Melpattampakkam , Panruti , Thiruvamur .
National Highway 38 (NH 38) is a National Highway in India.This highway runs entirely in the state of Tamil Nadu. [2]A portion of NH 38 near Thoothukudi. The National Highway NH-38 originates from Vellore and terminates at Thoothukudi. [3]
Grand Southern Trunk Road or National Highway 45 is an arterial road in the Indian state of Tamil Nadu. It is also known as Chennai–Perambalur-Trichy-Dindigul-Theni Highway. [ 1 ] The road starts from Kathipara Junction in St Thomas Mount , Chennai towards Perambalur , Trichy , Dindigul and Theni .
Map indicating Highways network of Tamil Nadu Main article: Road network in Tamil Nadu Tamil Nadu has an extensive road network covering about 2.71 lakh km as of 2023 with a road density of 2,084.71 kilometres (1,295.38 mi) per 1000 km 2 which is higher than the national average of 1,926.02 kilometres (1,196.77 mi) per 1000 km 2 . [ 1 ]