The line runs in Mie Prefecture and connects Nishi-Fujiwara Station in Inabe with Tomida and Kintetsu-Tomida Station in Yokkaichi.

All trains depart from and arrive at Kintetsu-Tomita Station.

The name Sangi (三岐) is a combination of the first characters from Mie (三重) and Gifu (岐阜) as, in 1928, it was originally envisioned to connect the city of Yokkaichi in Mie to Sekigahara via Kamiishizu in Ōgaki, Gifu Prefecture.

Freight services also operate on the line, and it is used to carry mainly cement.

All services are classified as "Local" (普通, futsū), stopping at every station, and are driver-only operations.