Sponsored by ASCE's Transportation & Development Institute and ASCE Continuing Education.

"All done very well, and a valuable source of information for future impact projects." Anonymous Attendee

Purpose and Background

Traffic impact studies are an important part of assessing the impacts of new and redevelopment projects. The relationship between the project site plan and the preparation of traffic impact studies is key to the accuracy of the results.  Using the appropriate thresholds of significance in assessing project impacts has to be considered The best sources of information will be identified for each of these topics as well as the most frequently used techniques. The webinar will also focus on topics of interest to transportation professionals reviewing traffic impact studies and areas of special concern. There will also be a discussion about funding of mitigation measures and how this should be addressed. Case studies will be analyzed to illustrate the key areas on which the studies should focus possible shortcomings that may affect the final recommendations.

Primary Topics of Discussion

• Accuracy of estimating trip generation
• Most effective ways of estimating trip distribution
• Selecting the appropriate thresholds of significance
• Determining the potential impacts of new development projects
• Mitigation impact responsibilities

Learning Outcomes

• Learn about  how to prepare accurate traffic impact studies
• Where results can be misleading if assumptions are inaccurate
• How capacity analysis can be at odds with observed traffic operations

Webinar Benefits

• Gain a better understanding of traffic impact studies
• Learn the best approaches to prepare each component of a study
• Identify the best  and latest sources of additional information/references
• Learn from case studies on traffic impact studies and the site plans on which they are based

Intended Audience

• Transportation engineers/planners
• Architects preparing applications for new development projets
• Government officials

Webinar Outline

• Typical thresholds for requiring traffic studies
• Estimating trip generation
• Methods for trip distribution and assignment
• Addressing pass by trips for commercial projects
• Identifying project specific impacts and mitigation measures
• Identifying cumulative impacts and mitigation measures
• Funding mitigation measures
• The role of transportation demand management in mitigating impacts
• Thresholds of significance for assessing impacts
• Case studies and  site plans

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