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FHWA TMIP Webinar: Estimating Risks & Model Credibility

December 12, 2013 @ 2:30 pm - 4:30 pm


This Federal Highway Administration webinar will be split into two parts: the first part, presented by Rick Donnelly of Parsons Brinkerhoff, will discuss the credibility of travel demand models while the second part, presented by Tom Adler of RSG, will discuss the risks of under and over-estimating travel demand in forecasting.

Rick’s talk will describe the factors that are used by political leaders to evaluate travel demand models. The main thrust of the presentation will focus upon how modeling processes and tools might be better designed in order to enhance their credibility from the outset. Examples from recent contested models and forecasts will be used to illustrate these points.

Tom’s talk will describe the approaches that are commonly used to identify risk associated with urban travel demand forecasts, describe the approaches that are currently being used to identify the demand/revenue risks associated with toll facilities, detail the recent advances that could be more widely applied to provide more robust estimates of the risks associated with travel demand forecasts and describe the application of these advanced methods to recent major planning studies.

Meeting Information

Participants do not need to preregister to attend the webinar. Attendance is limited to 100 connections and is first-come, first-served.  You can log on to the webinar at:

The webinar will be close-captioned. The audio portion of the webinar will be broadcast by Voice Over IP. We will have a limited number of teleconference connections available for those that are unable to use the Voice Over IP. The teleconference number will be posted in the webinar room.

Note: Times listed above are Eastern Time.

Note: All event times are in the local time zone for in-person events and in U.S. Eastern Time for web-based events.