Safety at the MRT tracks

With several cases of suicides and accidents on the MRT tracks in Singapore, maybe it's time to build an automated gate or door along the train tracks, similar to those in the underground MRT stations. This will definitely prevent accidents during rush hour traffic when people are rushing for trains. Who knows, you might get pushed around by running masses and fall off to the tracks? :O

The Taipei Metro does it this way in crowded stations -