India, Sept. 18 -- The grandfather of public transport-Mumbai's suburban railway-is taking a cue from its much younger counterpart, the metro. Like the latter, Indian Railways is looking into the possibility of isolating corridors on the suburban system.

The plan was presented primarily for Central Railway (CR), a complicated rail network, to Union railway minister Ashwini Vaishnaw last July. However, sources said that last month both CR and Western Railway (WR) were asked to review the prospects of implementing this out-of-the-box plan with the intention of adding more services and possibly easing operations.

What is the plan about?

According to senior rail officials, one of the biggest reasons for the cancellation of trains is the ru...