Salem division has a length of 842 km.
The break-up of lines in the Salem division: Udhagamandalam - Coimbatore North Junction (79 km); Coimbatore North - Erode - Salem - Jolarpet (277 km); Irugur - Podanur - Coimbatore Junction (19 km); Salem - Karur (85 km); Karur - Dindigul (74 km); Salem - Vridhachalam (135 km); Salem - Mettur Dam (37 km); and Erode - Tiruchirapalli (137 km).