Tamil Nadu State Transport Corporation (TNSTC) operates one of India's largest bus networks with 22,000+ buses covering the entire state.

State Express Transport Corporation (SETC) handles long-distance and inter-state routes with deluxe, ultra-deluxe, and A/C sleeper services.

Online booking available at www.tnstc.in and through the TNSTC app.

Major bus terminuses: Chennai Mofussil Bus Terminus (CMBT), Madurai Mattuthavani, Coimbatore Gandhipuram.

Tamil Nadu has an extensive railway network under the Southern Railway zone with headquarters in Chennai.

Major junctions: Chennai Central, Chennai Egmore, Madurai Junction, Coimbatore Junction, Tiruchirappalli Junction, Salem Junction.

The Nilgiri Mountain Railway (Ooty toy train) is a UNESCO World Heritage Site.

Tejas Express, Vande Bharat, and Shatabdi Express connect major cities at high speed.

Chennai Metro connects key areas of the city across two lines — Blue Line (Wimco Nagar to Airport) and Green Line (Central to St. Thomas Mount).

Phase 2 expansion underway, adding 118.9 km covering major suburbs and IT corridors.

Integrated with MRTS (Mass Rapid Transit System) suburban rail for seamless connectivity.

Smart card and QR ticket systems available. Operates from 5:30 AM to 11:00 PM.

Chennai International Airport (MAA) — India's 3rd busiest airport, hub for domestic and international flights.

Madurai Airport (IXM) — Connects to major Indian cities with growing international routes.

Coimbatore International Airport (CJB) — Gateway to hill stations with domestic and limited international services.

Tiruchirappalli International Airport (TRZ) — Serves central Tamil Nadu with flights to Gulf countries.

Smaller airports at Salem, Thoothukudi, and planned greenfield airport at Parandur near Chennai.

Tamil Nadu has one of the best road networks in India with 167,000+ km of roads.

National Highways: NH 44 (Chennai-Bangalore), NH 45 (Chennai-Trichy), NH 47 (Salem-Kochi).

Tamil Nadu has India's first 8-lane expressway: Chennai-Salem Expressway.

ECR (East Coast Road) and OMR (Old Mahabalipuram Road) are scenic coastal highways.

Toll plazas accept FASTag for cashless payments throughout the state.