Dual Gauge - Dual Gauge Dual Voltage

Dual Gauge Dual Voltage

A mini-metro in Gijon, Spain is to be both dual gauge (1,000 mm/3 ft 3 3⁄8 in and 1,668 mm/5 ft 5 2⁄3 in) and dual voltage (1500 V DC/3000 V DC).

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