通行能力计算软件

elcome

Welcome to the Highway Capacity Software for Windows 95/98/NT/2000 (HCS2000).  This version of the HCS implements the procedures defined in the 2000 Highway Capacity Manual (HCM2000) which is Copyright 2000 by the Transportation Research Board (TRB).

HCS2000 was developed by the McTrans Center at the University of Florida as a typical Windows installation.  The Main Menu provides buttons to link to each module, corresponding to the HCM chapter being used for analysis.  Separate Help facilities exist within each analysis module, and can also be accessed from here for easy reference.  Just click on the appropriate link below to access the Help facility for that module. (The Help modules for TwoLane and Transit are good descriptors of the software being finalized):

HCS-Freeways    HCS-Multilane
 HCS-Arterials    HCS-Weaving
 HCS-TwoLane    HCS-Transit
 HCS-Ramps     HCS-Signals
 HCS-Facilities    HCS-Unsignal

McTrans maintains a Web site to provide information on products and services, including technical assistance and update information on the HCS, at the following address:

http://mctrans.ce.ufl.edu/
 
Users can contact McTrans for detailed technical support in the following ways:

E-mail: mctrans@ce.ufl.edu   McTrans Center
      University of Florida
Fax: 1-(352) 392-6629   
      PO Box 116585
Tel: 1-(352) 392-0378    Gainesville, FL 32611-6585

What's New

McTrans has upgraded modules of the Highway Capacity Software (HCS) to add new features and to incorporate the modified procedures in the new Highway Capacity Manual (HCM2000).  This exciting new release (HCS2000TM) was distributed immediately following the publication of the HCM2000 by the Transportation Research Board (TRB).

HCS2000 comprises a complete new release of the HCS, upgrading modules to incorporate procedures in both US and metric units to faithfully implement the HCM2000.  The Freeways, Weaving, Ramps, Multilane, Signals, Unsignal and Arterials modules have been upgraded; the TwoLane and Transit modules have been totally reconstructed (Transit coming in an update); and a Freeway Facilities module has been incorporated as a spreadsheet application.

HCS2000 also adds several new features, including a new graphic entry option for lane configuration and volume data and global spinners for PHF and volumes (incrementing by a specified percentage for sensitivity analyses) in the Signals and Unsignal modules.  New interactive, formatted reports that produce forms like the HCM2000 worksheets have been added to Signals, Unsignal and Arterials (remaining modules coming as free updates).  These web-like reports react to data entry and modifications, and produce dynamic results in the appropriate fields, right on the forms.  Printing is handled like any web page, offering additional control and flexibility.  Actuated signal timing estimation implements the methodology in HCM2000 Chapter 16, Appendix B.

Significant changes to the HCM procedures that are implemented in this new release include: revised passenger-car equivalents for heavy-vehicle factors with slight changes in LOS thresholds and speeds calculations in Freeways, Weaving, Ramps and Multilane; new saturation flow adjustment factors for pedestrians and bicycles, and a maximum back of queue length estimation for the average and several percentile values in Signals; a new methodology based on speed and percent time spent following (PTSF), and a new directional analysis in TwoLane; a new methodology that focuses on service availability and quality, and emphasizes bus operation on surface streets in Transit; and a new set of procedures to provide quality of service for directional freeway facilities that permits the analysis of multiple contiguous segments over multiple time intervals and integrates the methods in the HCM Freeways, Weaving and Ramps chapters for undersaturated analysis and extends these methods to oversaturated conditions.