India, June 12 -- Monday's freak accident, which led to the death of four commuters who fell out of two speeding local trains, has highlighted two chronic challenges that have repeatedly turned daily commutes into deadly risks on Mumbai's suburban railway system - overcrowding and delays in train services.

With the accident taking place near Mumbra station, the spotlight has turned to Diva Junction, just one station north of Mumbra. More specifically, it's the level crossing at Diva, which spans all ten rail lines that pass through this busy station, and an under-construction road over bridge (ROB) above the level crossing, that are the subject of debate.

Central Railway (CR) officials say Diva is one of the busiest stations on the Main...