The National highway NH-38 connects Chennai and Thoothukudi through Chidambaram, Cuddalore and Nagapattinam passes through Sirkazhi.Sirkazhi has outer bypass road to ease the transport of heavy vehicles in the town. Sirkazhi municipality has of roads: of BT roads, of cement roads, of water-bound macadam surface and of other roads. Bullock carts are the traditional mode of transport; as late as the 1950s, landlords and rich farmers travelled mostly by bullock carts except on rare, long journeys, which they undertook by buses or motor vehicles. Buses are the main mode of public transport from Sirkazhi. The municipality operates a B-Class bus stand with 36 bays that accommodate local and intercity buses. The buses are operated by Tamil Nadu State Transport Corporation, connecting the town to Kumbakonam , Nagapattinam, Chidambaram, Mayiladuthurai, Karaikkal and other cities in Tamil Nadu.