What can 150-m-long trails of tracks used by Western Railway (WR) trains to switch lines do for its 37 lakh commuters? They can help add at least 120-150 more daily services on this congested route. The WR has sought permission from the commissioner of railway safety to increase the speed of trains from 15 kmph to 30 kmph at crossovers to enable it to add more services.

On track: WR authorities estimate that at least 120 services can be added every day on all four lines together if trains are allowed to increase their speed to 30 kmph at crossovers. File pic