By Aglaia Staff

For the past few months, a pink, blue and green structure resembling a metallic caterpillar has been zipping overhead of narrow roads, decaying slums and mangroves in Wadala and Chembur. Cars have been halting to take a picture, people in high-rises staring at it from their balconies, and children in slums underneath egging it on it with cries and outstretched arms.

The monorail, a mass transit system few countries have, is coming to India for the first time, though two years late.

Five years after construction started, Mumbai‘s development authority MMRDA is set to open the first phase to the public in January. Of the 19.5-km corridor from Chembur to Jacob Circle in Byculla, the first phase will run 8.8 kilometres until Wadala. The completed route will be the world’s second longest, after the one in Japan’s Osaka.

A few others steps remain. Documentation is involved in the handover from the project team to operations and maintenance. The project also needs final safety clearance from a former commissioner of railways; a senior official says it won’t get that until the opening rules are published. “The draft rules are published but the final rules have to be notified. The file is with the chief minister’s office,” the official says. The commercial rules are currently in the public domain for suggestions and objections, but their publication is not mandatory for final safety clearance.

Pluses and minuses

The monorail, which runs on a single rail (guideway beam) that grips the wheels laterally from either side, is preferred when densely populated areas are to be connected with not much free space available. The beam is just about a metre wide, the size of a divider or a small footpath, and rests on single pillars about 6.5 metres high.

Besides, monorail systems can negotiate steep gradients and a turning radius as low as 50 metres, making them suitable for crowded areas such as Chembur, Antop Hill and Parel. The rubber tyres on concrete beams make very little noise. It is also possible to have an open station inside a residential building with the train running through the building.

Many believe the monorail, however, is more useful as a feeder service to Metro and suburban railway stations rather than as a mass transit system. This is because its carrying capacity is low. Each air-conditioned rake will be able to carry 568 passengers — 852 if the MMRDA decides to increase the cars from four per rake to six — while a Metro rake can carry three times as many though it requires a wider right of way.


 Single Line Connection: Indias First Monorail In The New Year
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