User:Montecara/Sandbox/Aurean Tunnels
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| Overview | |
|---|---|
| Location |  Montecara to  Paretia |
| Coordinates | 28°32′4.9″N 6°21′37.6″E |
| Crosses | Western Aurean Strait |
| Start | Montecara |
| End | near Mavoa, Luzela |
| Operation | |
| Operator | Trenalia |
| Technical | |
| Length | 6,882 metres (4.28 mi) |
| No. of tracks |
|
| Track gauge | 1,500 mm (4 ft 11 1⁄16 in) |
| Electrified | 25 kV / 50 Hz AC overhead lines |
| Operation | |
|---|---|
| Operator | Interaurean Commission |
| Toll | €30 (passenger cars, both directions) |
| Technical | |
| Length | eastbound tube: 6,540 metres (4.06 mi) westbound tube: 6,505 metres (4.04 mi) |
| No. of lanes | 4 (2 per direction) |
| Operating speed | 80 kilometres per hour (50 mph) |
The Aurean Tunnels are a set of undersea tunnels traversing the Western Aurean Strait between Montecara and Paretia. They consist of a twin-bore rail tunnel and a pair of road tunnels. Planned and built between 1960 and 1987, they were one of the most expensive engineering projects in world history.
The tunnels run under the island of Madona, which also hosts much of their ventilation, maintenance, and firefighting infrastructure.