State Highway 4 (Tamil Nadu)

State Highway 4 (SH-4) connects Arcot with Villupuram. Total length of SH-4 is 114 km.

SH-4 Route
Arcot -Thimiri -Arani - Chetput - Valathi - Gingee - Muttathur - Villupuram Road.
 * Villupuram Road refers to the junction of SH-4 with NH-45 near Villupuram (Katpadi Gate).
 * Katpadi Gate refers to crossing of Villupuram-Katpadi rail line on NH-45.