The prestigious National Highway (NH-544) starting from its junction with NH-44 near Salem connecting Coimbatore in the State of Tamil Nadu Palakkad, Thrissur and terminating at its junction with NH-66 near Ernakulam in the State of Kerala.
Thanjavur-Attur
Salem-Vaniyambadi
Coimbatore-Gundlupete
Avinashi-Oddanchatram