- Pettneu/
Ostportal: 2+1
Tunnel Pettneu/
Ostportal – St. Anton: 2+2 St.
Anton –
Arlbergtunnel – Langen: 1+1
Langen –
Langener Tunnel –
Dalaaser Tunnel/
Ostportal:...
- portal) 48°37′48″N 9°28′11″E / 48.6299°N 9.4696°E / 48.6299; 9.4696 (
Ostportal Albvorlandtunnel) (east portal)
Operation Work
begun 2016 Constructed...
- German). karstwanderweg.de.
Retrieved 15
January 2011. "Erdrutsch am
Ostportal des Himmelreichtunnels" (in German). karstwanderweg.de.
Retrieved 15 January...