Welcome to the HCQS Website

The Highway Capacity and Quality of Service (HCQS) Committee (AHB40) is concerned with investigating the physical and non-physical factors which affect capacity, traffic flow, comfort, convenience, and safety; and is responsible for developing computational techniques for quantifying the effect of these factors on capacity, traffic flow; and quality of service. Learn more about the committee?

The Committee & Subcommittee Working Websites Have Moved

This site, http://ahb40.org, will display committee meetings, HCM2010 information, and store the official roster for the full committee. For all other matters, including HCM 2000 Changes and Corrections, subcommittees, discussion, and announcements, please visit the:

» HCQS Working Website

— Posted 8 months ago

Upcoming meetings —

Joint Meeting of the Transportation Research Board Highway Capacity and Quality of Service (AHB40) and Traffic Flow Theory and Characteristics (AHB45) Committees

June 20, 2012–June 23, 2012

located at TBD in Ft. Lauderdale, Florida

» View all meetings

Last Meeting —

TRB Annual Meeting

January 21, 2012–January 26, 2012

Washington, DC

» View all meetings

Committee Stats —

Chair person: Elefteriadou, Lily
Number of members: 29
Number of past members: 51
Number of friends: 618

» View the committee roster

Want to become a friend of the committee? Email