Nagapattinam municipality accommodates of roads; of cement roads, of bituminous roads, of WBM roads and of earthern roads. Nagapattinam is connected by two national highways, NH 45A to Villupuram and NH 67 to Coimbatore and Gundlupete in Karnataka state. Nagapattinam is connected with Chennai, Vellore, Coimbatore, Tiruchirapalli, Karaikal and other major towns of Tamil Nadu through the state highways SH 22 from Grand Anaicut to Kaveripoompattinam, SH 23 from Mayiladuthurai to Thiruthuraipoondi, SH 64 from Kumbakonam to Sirkazhi, SH 67 from Nagore to Nachiyar Koil, SH 147 from Kumbakonam to Karaikkal, SH 148 from Nagore to Vettar. SH 149 from Sembanarkoil to Nalladai, SH 150 from Vaitheeswarankoil to Lower Anaicut and SH 151 from Kilvelur to Kachanam. The Tamil Nadu State Transport Corporation operates close to 175 daily services connecting various cities to Nagapattinam. Most of the buses via Nagapattinam operated by the corporation ply between Trichy and Velankanni. The corporation operates a computerised reservation centre in the municipal bus stand of Nagapattinam. It operates 25 town buses satisfying the local transport needs of Nagapattinam and the neighbouring villages. The State Express Transport Corporation operates long distance buses connecting Nagapattinam to Bengaluru, Thiruvananthapuram and Marthandam.