The well-connected National Highway (NH-38) starting from its junction with NH-75 near Vellore connecting Polur, Tiruvannamalai, Viluppuram, Ulundurpettai, Perambalur, Tiruchirappalli, Tovarankurichchi, Melur, Madurai, Aruppukkottai and terminating at its junction with NH-138 near Tuticorin Port in the State of Tamil Nadu.
Thanjavur-Attur
Thoothukudi-Palayamkottai, Tirunelveli
Villupuram-Arcot(Arakottam)
Chennai(NH-48 junction)-Karungulam (NH-44 junction)