Dual Gauge - Triple Gauge

Triple Gauge

There have been a few instances of triple-gauge break-of-gauge stations.

Area Gauge 1 Gauge 2 Gauge 3 Note
Port Pirie, South Australia 1,067 mm (3 ft 6 in) 1,435 mm (4 ft 8 1⁄2 in) 1,600 mm (5 ft 3 in) 1938–1970, .
Gladstone, South Australia 1,067 mm (3 ft 6 in) 1,435 mm (4 ft 8 1⁄2 in) 1,600 mm (5 ft 3 in) 1968-1980s
Peterborough, South Australia 1,067 mm (3 ft 6 in) 1,435 mm (4 ft 8 1⁄2 in) 1,600 mm (5 ft 3 in) 1968-1980s some survives in the Steamtown Heritage Rail Centre
Latour-de-Carol, France 1,000 mm (3 ft 3 3⁄8 in) 1,435 mm (4 ft 8 1⁄2 in) 1,668 mm (5 ft 5 2⁄3 in) still in use
Hendaye, France 1,000 mm (3 ft 3 3⁄8 in) 1,435 mm (4 ft 8 1⁄2 in) 1,668 mm (5 ft 5 2⁄3 in) still in use
Växjö, Sweden 891 mm (2 ft 11 1⁄10 in) 1,067 mm (3 ft 6 in) 1,435 mm (4 ft 8 1⁄2 in) until at least 1974
Montreux, Switzerland 800 mm (2 ft 7 1⁄2 in) 1,000 mm (3 ft 3 3⁄8 in) 1,435 mm (4 ft 8 1⁄2 in) still in use
Capolago, Switzerland 800 mm (2 ft 7 1⁄2 in) 1,000 mm (3 ft 3 3⁄8 in) 1,435 mm (4 ft 8 1⁄2 in) the metre gauge line closed in 1950
Volos, Greece 600 mm (1 ft 11 5⁄8 in) 1,000 mm (3 ft 3 3⁄8 in) 1,435 mm (4 ft 8 1⁄2 in) 600 mm gauge closed on 70s, 1000 mm gauge closed on 1998
Toronto, Canada 1,067 mm (3 ft 6 in) 1,435 mm (4 ft 8 1⁄2 in) 1,676 mm (5 ft 6 in) Converted to 1,435 mm (4 ft 8 1⁄2 in) gauge

Because these three triple-gauge examples were yards operating at low speed, light rail could be used to space the rails closely together if required. Main line operation at high speeds is another matter.

The Niagara Falls Suspension Bridge originally carried trains of three different gauges.

The National Railway Museum (Port Adelaide) in Adelaide, Australia has the three main-line gauges and a 18 in (457 mm) gauge tourist line.

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