Grand Southern Trunk Road Explained

Country:	IND
Type:	NH
Route:	45
Alternate Name:	Grand Southern Trunk Road Chennai–Trichy-Dindigul-Theni Highway
Translation:	மாபெரும் தெற்கு வழித்தடம்
State:	Tamil Nadu

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–Trichy-Dindigul-Theni Highway.^[1] The road starts from Kathipara Junction in St Thomas Mount, Chennai towards Trichy, Dindigul and Theni. It branches out from Anna Salai (previously known as Mount Road).^[2]

The road runs through important localities like Meenambakkam, Pallavaram, Kadaperi, Tambaram, Vandalur, Kilambakkam, Guduvanchery, Paranur, Chengalpattu, Madurantakam, Tindivanam, Villupuram, Vikravandi, Ulundurpet, Perambalur, Trichy, Dindigul, and Theni.

Major junctions

Chennai City

• Mount-Poonamallee Road near Kathipara Junction
• Mount-Medavakkam High Road in St.Thomas Mount
• Pallavaram-Kundrathur-Poonamallee Road (Pammal Main Road) in Pallavaram
• Pallavaram-Thiruneermalai Road in Pallavaram
• Pallavaram-Thuraipakkam Radial Road in Pallavaram
• Chitlapakkam and Hasthinapuram Main Road near MIT Bridge Along GST Road
• Gandhi Road in Tambaram
• Velachery Main Road and Mudichur Road in Tambaram
• Chennai Bypass Road in Irumbuliyur
• Chennai Outer Ring Road in Vandalur
• Vandalur-Kelambakkam Road in Vandalur
• Guduvancheri Tiruporur road

Outside Chennai

• Kotteripattu Near Tindivanam

Developments

1. NHAI to repair Palar Bridge in Grand Southern Trunk Road near Chengalpattu.^[3]
2. Double Deck Structure proposed between Airport and Irumbuliyur along GST Road.^[4]
3. NHAI set to rectify 18 accident-prone spots in GST Road.^[5]

Notes and References

1. Web site: Tamilnadu Highways . www.tnhighways.gov.in . 8 April 2023 . 17 December 2020 . https://web.archive.org/web/20201217114232/https://www.tnhighways.gov.in/index.php/en/list-of-roads . dead .
2. News: 14 April 2021 . ‘Grand Western Trunk Road is old name of EVR Periyar Salai’ . en-IN . The Hindu . 24 January 2022 . 0971-751X .
3. Web site: Ram . Sundaram . 25 July 2020 . NHAI to repair Palar Bridge on Tambaram-Chengalpet road . Chennai News . 20 August 2020 . The Times of India . en .
4. Web site: Yogesh . Kabirdoss . 10 August 2020 . Double deck structure proposed between airport, Chennai bypass . Chennai News . 20 August 2020 . The Times of India . en .
5. Web site: Ram . Sundaram . 4 August 2020 . NHAI set to rectify 18 accident-prone spots . Chennai News . 20 August 2020 . The Times of India . en .