Tamil Nadu Infrastructure Dashboard
Tamil Nadu is developing high-speed industrial expressways linking Chennai, Coimbatore, and Bengaluru alongside Chennai Metro phase expansions.
State Macro Infrastructure Specs
Tamil Nadu Infrastructure Route Map
Corridors & Mega Projects in Tamil Nadu
Chennai Metro Network
Chennai Metro Rail Limited (CMRL) rapid transit network operating 54.1 km (43 stations) and constructing 118.9 km Phase 2 expansion across 128 new stations under active construction with planned completion by 2028.
Bengaluru Peripheral Ring Road
A proposed 73.03 km 8-lane greenfield access-controlled bypass (Bangalore Business Corridor) planned by BDA on a 65 m corridor width under DBOT/PPP mode at an estimated cost of approximately ₹27,000 Crore with a 2029 target completion.
Bengaluru Satellite Town Ring Road (STRR)
An approximately 280 km access-controlled 4/6-lane access-controlled highway bypass connecting key towns and industrial belts around metropolitan Bengaluru across Karnataka and Tamil Nadu.
Coimbatore Bengaluru Expressway
A proposed approximately 250 km access-controlled highway bypass corridor designed to connect Bengaluru and Coimbatore via Erode, Salem, and Hosur.
Chittoor Thatchur Expressway
An approximately 116.1 km six-lane, access-controlled greenfield corridor designed to enhance connectivity between Keenatampalli in Andhra Pradesh and Thatchur in Tamil Nadu.
Electronic City Elevated Expressway
An operational 9.98 km elevated tollway corridor connecting Central Silk Board to Electronic City along Hosur Road (NH-44).
Surat Chennai Expressway
A massive greenfield and brownfield economic corridor linking Surat in Gujarat to Chennai in Tamil Nadu, passing through Maharashtra, Karnataka, Telangana, and Andhra Pradesh.
Chennai–Bengaluru High-Speed Rail
A 306 km high-speed rail corridor at 320 km/h connecting Chennai and Bengaluru with a 14.7 km tunnel through Mogili Ghat and a station at Parandur Greenfield Airport.
High-Speed Rail Network (India)
India's comprehensive high-speed and semi-high-speed rail network linking Delhi, Mumbai, Chennai, and Kolkata under the Diamond Quadrilateral program.
Chennai–Hyderabad High-Speed Rail Corridor
A proposed ~760.09 km high-speed rail corridor operating at 320 km/h with 18 proposed stations connecting Hyderabad and Chennai via Shamshabad, Future City, Haliya, Vadapalli, Amaravati, Guntur, Ongole, Nellore, and Tirupati.