Koralm Railway

Koralm Railway
Koralmbahn
Track of the Koralm Railway
Overview
StatusFinished
LocaleAustria (Styria, Carinthia)
Termini
Stations12
WebsiteKoralm Railway (in German)
Service
TypeHigh-speed rail
Commuter rail
Freight rail
History
Commenced1999
Opened14 December 2025
Technical
Line length127 km (79 mi)
Number of tracks2
Track gauge1,435 mm (4 ft 8+12 in) standard gauge
Minimum radius3,000 metres (9,800 ft)
Operating speed250 km/h (155 mph)
Maximum incline8
Route map

km
0.0
Graz
Köflach line to Köflach
1.7
Graz Don Bosco
Styrian Eastern railway
to Szentgotthárd
4.8
Graz Puntigam
7.0
Feldkirchen-Seiersberg
Airport Tunnel
3.251 km
Flughafen Graz-Feldkirchen
Werndorf container terminal
Wundschuh
Weitendorf junction
Hengsberg Tunnel
1.695 km
24.5
Hengsberg
Wies line to Graz via Lieboch
31.2
Wettmannstätten
Laßnitz
38.4
Weststeiermark
32.9 km
Wies line to Wies-Eibiswald
Lavanttalbahn to Wolfsberg
74.8
St. Paul im Lavanttal
Grutschen tunnel
2.6 km
Langerberg tunnel
3.1 km
Jauntal
82.7
Wiederndorf-Aich
Jauntalbahn to Bleiburg
94.4
Mittlern
Kühnsdorf tunnel
0.5 km
102.5
Kühnsdorf-Klopeinersee
Peratschitzen tunnel
0.2 km
Srejach tunnel
0.6 km
Untersammelsdorf tunnel
Grafenstein tunnel
0.6 km
114.7
Grafenstein
124.3
Klagenfurt Ebenthal
Klagenfurt freight terminal
125.9
Klagenfurt
km

The Koralm Railway (German: Koralmbahn) is an Austrian 127 km-long (79 mi) double-track, electrified, high-speed railway connecting the cities of Graz and Klagenfurt. Construction started in 1999; the entire railway line was opened on 14 December 2025.