The Southern Railway expects to complete the fourth line project from Chennai Beach to Egmore railway stations by March-end, 2024. The fourth line is a crucial track infrastructure project, for which the work which began in the first week of September has been progressing as per schedule, with commissioning expected by April first week.

As part of the civic works, piling work has been completed for construction of retaining wall along the Cooum river, 60 percent of the retaining wall work under progress as also the bridge expansion work across Buckingham Canal near Chennai Park railway station. Due to this, modification of foot over bridges (FOBs) at the three railway stations of Fort, Park Town and Park (MRTS) is also in full swing.

As the fourth line will pass through the underground subway near Reserve Bank of India, work on shifting the collection well and pump house which lies in the proposed alignment is in progress to extend for the proposed new line. Moreover, the Southern Railway has begun executing the overhead electricity line as also installation of signal and telecommunication system along with the stocking of rail panels and concrete sleepers for the new track.

Once completed, the project would pave the way for segregating suburban train services, freight, and long distance trains, as well as enable operating more long-distance trains towards the Gudur section and easing congestion at Chennai Central railway station. Foundation work for the passenger platform and fabrication structure at Fort station has also begun.