New Lower Inn Valley Railway

New Lower Inn Valley Railway

The New Lower Inn Valley railway or Neue Unterinntalbahn is a partially completed double-track high-speed main line of the Austrian railways. It connects the Brenner railway at Innsbruck and the Innsbruck bypass with the line to Kufstein, connecting with Germany, Salzburg, and eastern Austria. It forms a part of the core of the network of Austrian Federal Railways (ÖBB). The bypass is part of Line 1 of the Trans-European Transport Networks (TEN-T).

The first section (Kundl–Baumkirchen), which is designed for speeds up to 220 km/h (140 mph), was opened on 26 November 2012. Since the timetable change on 9 December 2012, it relieves the existing Lower Inn Valley railway between Wörgl and Baumkirchen with trains able to operate at up to 250 km/h (160 mph). In the future, these and other construction projects (including the Brenner Base Tunnel) are expected to reduce travel time on the Munich–Innsbruck route from 1:50 to 0:55 and on the Munich–Verona route from 5:20 to 2:20. The cost of the project amounted to €2.358 billion.

New Lower Inn Valley Railway History

The Kundl–Baumkirchen section was opened on 26 December 2012.

Route: section 1: Kundl-Baumkirchen

The line is 40 km (25 mi) long, of which approximately 32 km (20 mi) is in tunnels or deep cuttings. One segment has been made as an upgrade of the original line while the other is an entirely new line:
  • The section between Wörgl Kundl station and the original line is supplemented with a high-capacity line and forms a four-track line to a grade-separated junction at Radfeld.
  • The new segment, Radfeld Knot - Baumkirchen Knot, 36 km (22 mi), then descends between the tracks of the existing line and runs to the almost 16 km (9.9 mi) long Münsterer tunnel. After passing under the Inn and Jenbach railway station it continues to the grade-separated junction at Stans. The line descends again, and continues through the 15.8 km (9.8 mi)-long Terfner tunnel. In the tunnel there is space for a planned third track to allow overtaking movements, thus increasing line capacity. After underpassing the Fritzens-Wattens station it joins the old line at Baumkirchen where it separates towards Brenner/Verona via the Innsbruck bypass or towards Innsbruck/Arlberg via the original line.
New Lower Inn Valley Railway Signalling

The new line is fitted with ETCS Level 2 signalling system. Four new electronic interlocking systems were built to control both the new line and the existing line. These systems are remotely controlled from the new Innsbruck operations control centre (Betriebsfernsteuerzentrale).

Planning: section 2: Brannenburg-Kundl

The approximately 25 km (16 mi) section from Brannenburg in Germany to Kundl is currently in the planning phase with route selection between Schaftenau and Kundl having been completed. The continuation of the route into Germany is currently being negotiated.

The selected route south from Schaftenau would leave the existing line via several short tunnels and cuttings to join the route of the A12 autobahn. It would then run through a nearly 10 km (6.2 mi)-long tunnel under the mountains of the southern Angerbergs and under the Inn, the A12 and the built-up areas of Kundl before emerging between the tracks of the existing line and running to the grade-separated junction at Radfeld.

New Lower Inn Valley Railway Overview

New Lower Inn Valley Railway Native Name: Neue Unterinntalbahn
New Lower Inn Valley Railway Line Number: 330 01
New Lower Inn Valley Railway Locale: Austria
New Lower Inn Valley Railway Route Number: 300

New Lower Inn Valley Railway Technical

New Lower Inn Valley Railway Line Length: 40.236 km (25.001 mi)
New Lower Inn Valley Railway Number of Tracks: 2
New Lower Inn Valley Railway Track Gauge: 1,435 mm (4 ft 8+1/2 in) standard gauge
New Lower Inn Valley Railway Electrification: 15 kV/16.7 Hz AC overhead catenary
New Lower Inn Valley Railway Operating Speed: 220 km/h (136.7 mph) (maximum)

New Lower Inn Valley Railway Route Map

Planned railway from Brannenburg
Original line from Kufstein
Schaftenau junction
Existing line to Wörgl





Original line from Wörgl
24.262 Radfeld junction
Original line to Jenbach
26.500 Radfeld cutting (L 791 m)
27.291 Münsterer tunnel (L 15.990 m)
Original line
Existing line
43.269 Jenbach cutting (L 620 m)

Original line from Jenbach
43.890 Stans junction
Existing line to Fritzens-Wattens 2 junction
44.760 Stans cutting (L 514 m)
45.274 Terfner tunnel (L 15.840 m)
Existing line
Vomp passing station planned
Existing line
61,160 Baumkirchen cutting (L 624 m)
Change of chainage (-117 m)
Existing line from Stans junction
Fritzens-Wattens 2 junction
Baumkirchen interconnection

Original line to Innsbruck
Innsbruck bypass to Innsbruck 1 junction

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