With 104 stations in its territorial jurisdiction, it is the fourth largest out of six divisions in Southern Railway.
A MEMU shed for Kollam was proposed in 2008's Indian Railway Budget.
Currently the MEMU trains runs between Kollam Junction to Greater Cochin region via Kottayam and via Alappuzha.
There was a plan initially to conduct suburban railway between Trivandrum Central to Chengannur and Haripad at regular intervals.
But due to lack of dedicated lines and automated signalling system on the state the project was abandoned The freight traffic marked an all-time high record with Rs 466.41 crore earnings in the financial year 2017-2018 and there is a hike of Rs 115.51 crore, when compared to the freight earnings in previous year.