Heitersberg railway line

The Heitersberg railway line (Heitersbergstrecke) is a Swiss railway line between the stations of Killwangen-Spreitenbach and Aarau on the east-west main line between Zürich and Bern. The main structure of the line is the 4,929 metre-long Heitersberg Tunnel, which has its west portal near Mellingen and its east portal near Killwangen.

Heitersberg railway line
Overview
Native nameHeitersbergstrecke
Line number650, 650.1
LocaleSwitzerland
Termini
Technical
Line length25.4 km (15.8 mi)
Number of tracks2-4
Track gauge1,435 mm (4 ft 8+1⁄2 in)
Electrification15 kV/16.7 Hz AC overhead catenary
Route map
km
elev
from Zürich
16.1
 Killwangen-Spreitenbach
393 m
to Basel
Heitersberg flying junction
(right track only)
312 m
 Heitersberg Tunnel
(4929 m)
22.4
 Mellingen Heitersberg
397 m
 Fislisbach bridge
168 m
22.8
 Gruemet
from Wettingen
Reuss bridge, Mellingen (193 m)
 OV Strasse 5
(66 m)
25.9
 Mägenwil
416 m
27.7
from Brugg
27.7
 Othmarsingen
419 m
Gexi junction structure
Erlismoos bridge (125 m)
to/from Rotkreuz
Seetal railway to Luzern
31.9
 Lenzburg
406 m
32.4
to Suhr and Zofingen
35.6
from Brugg
35.6
 Rupperswil
374 m
 Rohr-Buchs (closed 1995)
41.5
 Aarau
383 m
to Olten
Source: Swiss railway atlas

The line was built in the 1970s as part of the planned New Main Transversal (Neue Haupttransversale, NHT) project. It was opened on 1 June 1975 and handed over for scheduled operations on 22 May 1975.

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