1. World Road Association (PIARC) (1999) Fire and smoke control in road tunnels. PIARC Committee on Road Tunnels (C5)
2. World Road Association (PIARC) (2008) An assessment of fixed fire fighting systems. PIARC Committee on Road Tunnels (C5)
3. NFPA 502 (2004) Standard for road tunnels, bridges, and other limited access highways. Annex D. National Fire Protection Association, Quincy, MA, USA
4. NFPA 502 (2008) Standard for road tunnels, bridges, and other limited access highways, Chapter 10. Annexes B and E. National Fire Protection Association, Quincy, MA, USA
5. Beard AN, Carvel RO (eds) (2005) The handbook of tunnel fire safety, Chapters 1 to 3. Thomas Telford Publishing, London