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- Project thesis on road tunnel safety by Jon Mikkel Haugen
- Safe-T: Safety in Tunnels Thematic Network
- OECD Studies in Risk Management - Norway - Tunnel Safety
- OECD: Safety in Tunnels - Transport of Dangerous Goods Through Road Tunnels
Major tunnel accidents
- 1999 - Mont Blanc Tunnel (11.6 kms long). A transport truck carrying flour and margarine caught fire 24 March. 38 people died (See link)