It is also envisioned to be the terminus of the Commuter Express when rehabilitation work is complete.

The existing PNR line from Calamba to Legazpi is conventional ballasted track, where parallel steel rails are laid upon sleepers embedded in ballast (except on open deck bridges).

Bridges are in widely varying states largely due to lack of maintenance, old age and inadequate protection from natural elements.

The Hybrid Electric Train headquarters is also located at Calamba station departure, built by Department of Science and Technology's Metals Industry Research and Development Center, It is the main station of the Hybrid Electric Train (HET), runs from Calamba to San Pablo in Laguna to the south on May 6, 2019.

[5] A new Calamba station will be constructed beside the José Rizal Coliseum (simple) at Barangay Real as part of the North–South Commuter Railway.