TRB Committee on Highway Capacity and Quality of Service (ACP40)Scroll Down
2021 TRB Annual Meeting To Be Held Virtually
The Highway Capacity and Quality of Service Committee meetings held in conjunction with the TRB Annual Meeting will be virtual this year. A link to the pre-meeting memorandum and agenda for the full Committee meeting, subcommittee meetings, and related sessions can be found on the Meetings page of this website.
Welcome to the HCQSC
The Highway Capacity and Quality of Service (HCQS) Committee (ACP40) 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.
6th Edition of HCM "A Guide for Multi Modal Mobility Analysis" Is Now Available!
The 6th edition of Highway Capacity Manual "A Guide for Multi Modal Mobility Analysis" has been released. It is accessible via this link: http://www.trb.org/publications/hcm6e.aspx