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Saint-Gervais–Vallorcine railway

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Saint-Gervais–Vallorcine railway
Z 850 EMU in Chamonix
Overview
StatusOperational
OwnerSNCF
LocaleHaute-Savoie, France
Termini
History
Opened1901–1908
Technical
Rack systemNone
Track gauge1,000 mm (3 ft 3+3⁄8 in) metre gauge
Electrification850 V DC third rail, top contact
Highest elevation1,365 m (4,478 ft)
Maximum incline9%
Route map

Legend
SNCF [fr] to La Roche-sur-Foron
0.000 km
0 mi
 Saint-Gervais-les-Bains-Le Fayet
(581 m)
Mont Blanc Tramway to Nid d'Aigle
0.121 km
0.075 mi
Bon-Nant [fr]
(28 m)
0.532 km
0.331 mi
A40
Standard gauge ends
0.635 km
0.395 mi
Abbaye substation 25 kV 50Hz and 800V DC
0.693 km
0.431 mi
Arve
(37 m)
Dual gauge section
Former E.P. metallurgical plant
2.676 km
1.663 mi
 Chedde
(599 m)
4.040 km
2.51 mi
Arve
(47 m)
4.100 km
2.548 mi
Égratz tunnel
(78 m)
5.884 km
3.656 mi
Châtelard tunnel
(127 m)
6.762 km
4.202 mi
 Servoz
(813 m)
8.930 km
5.549 mi
 Vaudagne
(928 m)
9.911 km
6.158 mi
Cascade tunnel
(84 m)
10.619 km
6.598 mi
 Viaduc-Sainte-Marie
(964 m)
10.731 km
6.668 mi
Sainte-Marie Viaduct (Arve)
(172 m)
11.667 km
7.25 mi
 Les Houches
(980 m)
13.763 km
8.552 mi
Arve
(25 m)
14.354 km
8.919 mi
Taconnaz Glacier [fr]
(60 m)
14.360 km
8.923 mi
 Taconnaz
(1003 m)
15.486 km
9.623 mi
Bossons Glacier
(10 m)
15.672 km
9.738 mi
 Les Bossons
(1012 m)
16.129 km
10.022 mi
Arve
(41 m)
16.603 km
10.317 mi
 Les Pélerins
(1016 m)
17.624 km
10.951 mi
 Les Moussoux
(1027 m)
18.344 km
11.398 mi
 Chamonix-Aiguille-du-Midi
(1031 m)
18.562 km
11.534 mi
Arve
(32 m)
19.029 km
11.824 mi
 Chamonix-Mont-Blanc
(1 038 m)
Chemin de fer du Montenvers
to Mer de Glace
20.977 km
13.035 mi
Arveyron
(13 m)
21.494 km
13.356 mi
 Les Praz-de-Chamonix
(1 065 m)
22.985 km
14.282 mi
 Les Tines
(1 082 m)
23.575 km
14.649 mi
Arve
(19 m)
23.791 km
14.783 mi
Éboulis tunnel
(227 m)
25.000 km
15.534 mi
 La Joux
(1 223 m))
27.297 km
16.962 mi
 Argentière
(1 244 m)
Arve
(26 m)
29.389 km
18.261 mi
Arve
(83 m)
29.497 km
18.329 mi
 Montroc-Le Planet
(1 365 m)
29.649 km
18.423 mi
Montets Tunnel [fr]
(1863 m)
31.512 km
19.581 mi
32.340 km
20.095 mi
 Le Buet
(1 342 m)
34.115 km
21.198 mi
 Vallorcine
(1 261 m)
36.364 km
22.596 mi
Bellecombe Tunnel
(136 m)
36.615 km
22.752 mi
France
Switzerland
 (Eau Noire)
18,8xx
 Le Châtelard-Frontière
(1 116 m)
Martigny–Châtelard line
to Martigny
Source: Swiss railway atlas[1]

The Saint-Gervais–Vallorcine railway (French: Ligne de Saint-Gervais-les-Bains-Le Fayet à Vallorcine), also known as the Saint-Gervais–Vallorcine Line, is a single-track 36.5 km (22.7 mi) long metre gauge railway in France connecting the SNCF's Saint-Gervais-les-Bains-Le Fayet station with Vallorcine station and the border with Switzerland (Le Châtelard) through Chamonix.[2] Opened in stages between 1901 and 1908 by the Chemins de fer de Paris à Lyon et à la Méditerranée (PLM), it is part of the main SNCF network as far as Vallorcine. To Le Châtelard (3 km or 1.86 mi) is run by the Swiss company Transports de Martigny et Régions (TMR), which also operates the Martigny–Châtelard Railway.

History

[edit]
  • 1886: Granting of the concession for the Cluses–Chamonix line to the PLM (first concession for a general interest electric line in France)
  • 3 July 1893: Authorisation for the PLM to build the Saint-Gervais to Chamonix section as metre gauge
  • June 1899: Start of works on the first section
  • 25 July 1901: Opening to Chamonix, 19 km or 11.81 mi (official opening on 12 July)
  • 25 July 1906: Extension to Argentière
  • 1 November 1907: Boring of the Col des Montets tunnel
  • 1 July 1908: Junction with the Martigny–Châtelard Railway
  • 1958: Introduction of Z 600 EMUs
  • 1997: Introduction of Z 800 EMUs
  • 2006: Introduction of Z 850 EMUs; frequency increase between Argentière and Vallorcine
  • 17 July 2009: Official opening of Chamonix-Aiguille-du-Midi station

Geography

[edit]

Stations

[edit]
Line map

Connections

[edit]

Technical information

[edit]
  • Track gauge: 1,000 mm (3 ft 3+3⁄8 in).
  • Profile: uphill from the Saint-Gervais-Le Fayet (altitude: 580.95 m or 1,906 ft 1⁄16 in) to the col des Montets tunnel (altitude 1,365 m or 4,478 ft 4+3⁄16 in) then downhill to the border (altitude 1,100 m or 3,608 ft 11+1⁄16 in). The steepest grade, between Servoz and les Houches is 9% over 2,000 m (6,561 ft 8+3⁄16 in), a record for an adhesion railway. On the steepest sections (4% and more), it had a central rail for braking (and keeping trains immobile in case of electric black-outs), through jaws gripping the rail; it was removed around 1980.
  • Electrification through top-contact third rail at 850 V (580 V originally) direct current.
  • Main structures:
  • Control: A command post, named PC Éclair (ECLAIR, or “lightning”, standing for Exploitation Centralisée des Lignes Assistée par Informatique et Radio, which translates to Centralised Control of the Lines Assisted by Computers and Radio), installed in 1991 at Saint-Gervais station, allows centralised control with the help of radio and computers.

Rolling stock

[edit]
A Z 800 trainset at Le Buet.
  • Three Z 850 electric multiple units (EMUs) made by Stadler. Three additional trainsets were slated to arrive before 2008.
  • Five Z 800 105-seat EMUs, delivered in 1997 by ADTranz and Vevey Technologies in a joint purchase with the Martigny-Châtelard. This 1000 kW stock, composed of two motor cars, can run at 70 km/h (43.5 mph); it is rack and pinion equipped, and has pantographs in addition to 3rd rail equipment, so that it run to Martigny.
  • Eight Z 600 EMUs and four additional trailers (some out of service), used in busy periods.
  • Snowploughs:
    • Z 691 (electric)
    • Beilhack CN4 (diesel)
  • The original Z 200 motor cars have been retired.
  • Service wagons: Flats (U 20201 - U 20203) and ballast-carrying (U 20204 and U 20205 (?)).

Activity

[edit]
Line between Argentière and Montroc

This line carries about 500,000 passengers per year, with wide variation: from 500 people per day in the least busy periods up to 10,000 per day in summer and 2500 per day in winter for the ski season. The customer base is quite diverse, from international travellers connecting with the TGVs, to local transportation, most notably for schoolchildren. It is a tourist line and a public service at the same time.

Through trains between Saint-Gervais and Martigny run under the “Mont-Blanc Express” brand.

Since 2005 travel has been free between Servoz and Vallorcine for those with a Chamonix residency card and for valley inhabitants.

References

[edit]
  1. ^ Eisenbahnatlas Schweiz. Cologne: Schweers + Wall. 2012. p. 54. ISBN 978-3-89494-130-7.
  2. ^ Le Châtelard Archived 2009-05-06 at the Wayback Machine
[edit]
Wikimedia Commons has media related to Saint-Gervais-Vallorcine Line.

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