Focus groups were conducted in several cities throughout the United States and Canada between June 2002 and July 2003 to gain insight into the use of the newly released Highway Capacity Manual (HCM) 2000 and to understand better how professionals choose advanced modeling tools. Part I of the HCM 2000 was noted as being a good reference for both laypersons and those working with the HCM on a daily basis. Part V was noted as needing improvement to be useful to professionals, including more specific information regarding model strengths and weaknesses. In regard to the use of computer-based models, more than 80% of the participants use the HCM and the Highway Capacity Software to analyze operational performance and estimate capacity of highway systems. For advanced modeling techniques, 70% of those surveyed turn to SYNCHRO, but few participants could say why they had chosen a particular software package other than being directed by a sponsor agency to use it. It is noted that focus groups are a useful means to obtain qualitative and quantitative information regarding the use of the HCM 2000 and to identify areas of the manual that need improvement and further research. In addition, the information gleaned from this study points to the need for guidance regarding the selection and application of advanced transportation modeling tools. Finally, it is noted that additional focus groups should be held to include opinions from other user groups including planners, decision makers, and designers.
This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulncss of any information, apparatus. product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, m mmendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof.
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