State Highway 21 (Tamil Nadu)

State Highway 21 runs in Coimbatore, Tiruppur of Tamil Nadu, India. It connects the towns of Pollachi and Dharapuram.

Route
The highway passes through Dharapuram, Mulanur and Kannivadi to a length of 118 km.

Major junctions

 * National Highway 209 (Old numbering) at Pollachi
 * State Highway 87 at Gudimangalam
 * State Highway 37 and 83A at Dharapuram
 * National Highway NH-81 (Old NH-67) near Karur