New Lower Inn Valley railway
Overview
Native nameNeue Unterinntalbahn
Line number330 01
LocaleAustria
Service
Route number300
Technical
Line length40.236 km (25.001 mi)
Number of tracks2
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification15 kV/16.7 Hz AC overhead catenary
Operating speed220 km/h (136.7 mph) (maximum)
Route map

 Planned railway
from Brannenburg
 Original line
from Kufstein
 Schaftenau junction
 Existing line
to Wörgl
Angath
Angerberg
Breitenbach
Inn
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)
 Inn
 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)
61,524
61,407
 Change of chainage (-117 m)
61,667
Existing line
from Stans junction
61.749
Fritzens-Wattens 2 junction
Baumkirchen interconnection
 Original line
to Innsbruck
 Innsbruck bypass
to Innsbruck 1 junction
Source: German railway atlas[1]

The New Lower Inn Valley railway (German: 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.[2] 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.[3] The cost of the project amounted to €2.358 billion.[4]

History

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

Route: section 1: Kundl-Baumkirchen

Looking east: the middle tracks are the end of the Münsterer tunnel, part of the Stans link. The outside tracks are the new route of the original line, which has been in operation since 15 August 2011

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 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),[5] 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.[6]

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).[7]

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.[8]

Concrete shell for the new line

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.[9]

References

Wikimedia Commons has media related to Lower Inn Valley railway.
  1. ↑ Eisenbahnatlas Österreich (Austrian railway atlas). Schweers + Wall. 2010. pp. 56–57. ISBN 978-3-89494-138-3.
  2. ↑ "Neue Unterinntalbahn: Highspeed und höchste Sicherheit" (PDF) (Press release) (in German). ÖBB-Holding AG. 26 November 2012. Archived from the original (PDF) on 30 September 2013. Retrieved 31 January 2013.
  3. ↑ Brenner Eisenbahn GmbH, ed. (October 2007). "Die neue Unterinntalbahn - Eisenbahntechnik auf höchstem Niveau" (PDF) (in German). Archived from the original (PDF) on 27 September 2013. Retrieved 31 January 2013.
  4. ↑ "Die letzte Schiene ist verlegt". Tiroler Tageszeitung (in German). 16 December 2011. Retrieved 31 January 2013.
  5. ↑ Atlas, High-Speed Rail 2021 on the International Union of Railways (UIC) website.
  6. ↑ "Section 1 route map" (PDF) (in German). Brenner Eisenbahn GmbH. Retrieved 13 February 2010.
  7. ↑ "Eisenbahnsicherungstechnik" (in German). ÖBB-Infrastruktur AG. Archived from the original on 15 January 2013. Retrieved 31 January 2013.
  8. ↑ "Trassenauswahlverfahren für zweiten Abschnitt der neuen Unterinntalbahn abgeschlossen (Route selection process for the second section of the new Lower Inn Valley railway completed)" (in German). Austrian Federal Railways. Archived from the original on 6 July 2011. Retrieved 13 February 2010.
  9. ↑ "Section 2 route map" (in German). Brenner Eisenbahn GmbH. Archived from the original (PDF) on 23 September 2015. Retrieved 13 February 2010.

47°25′43″N 11°53′43″E / 47.42861°N 11.89528°E / 47.42861; 11.89528

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