Links

Associations
www.asce.org	American Society for Civil Engineers (ASCE)
www.auaonline.org	American Underground Construction Association (AUA)
www.ita-aites.org	International Tunneling Association (ITA)
www.britishtunnelling.org	British Tunneling Society
www.smenet.org	Society for Mining, Metallurgy & Exploration (SME)
www.retc.org	Rapid Excavation & Tunneling Conference (RETC)
www.apta.com	American Public Transportation Association (APTA)
www.aci-int.org	American Concrete Institute (ACI)
www.armarocks.org	American Rock Mechanics Institute (ARMA)
Trade Periodicals:
www.tunnelsonline.info	Tunnels & Tunnelling International / NA
www.worldtunneling.com	World Tunneling
www.tunnelingonline.com	Tunnel Business Magazine (TBM)
www.tunnel-online.info/en	Tunnel
www.enr.com	Engineering News-Record (ENR)
News / Online:
www.tunnelbuilder.com	Tunnel Builder Website
home.no.net/lotsberg/index.html	Worlds Longest Tunneling Info Page
www.usgs.gov	US Geologic Survey
www.fhwa.dot.gov/	Federal Highways Administration
www.aashto.org	American Association of State Highway & Transportation Officials

Associations