Sydney monorail, Australia

Construction and architecture

The Sydney Monorail (originally TNT Harbourlink and later Metro Monorail) was a single-loop monorail in Sydney, Australia, that connected Darling HarbourChinatown and the Sydney central business and shopping districts. It opened in July 1988 and closed in June 2013.

The track was a steel box girder of 94 centimetres width, raised at a minimum height of 5.5 metres from ground level on steel columns 20 to 40 metres apart. The minimum curve radius was 20 metres and the maximum gradient 4.4% uphill and 6.5% downhill.

Power was supplied at 500 V AC to power the train, via a sheathed conductor below the running plate of the track. A control rail was also provided for train control, and a generator provided to clear trains from the track in emergencies. The train control and maintenance facility is located between Convention and Paddy’s Market stations, where a 

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