National Highway 209 links
Dindigul in
Tamil Nadu with
Bangalore in
Karnataka. Of its total length of 456 km, 286 km is in Tamil Nadu and the rest in Karnataka. The highway starts at the junction of National Highways 45, 49 and 7 at Dindigul. It then travels north-west till
Pollachi and turns north-east, passes
Coimbatore and Satyamangalam, before leaving Tamil Nadu near Talavadi.
Palani, Udumalaipettai and
Mettupalayam are other major towns that lie along the National Highway 209 in Tamil Nadu side.
Chamrajnagar,
Kollegal,
Sivasamudram and
Kanakapura are the prominent towns lying along NH 209 in Karnataka.
