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Intersection Control Evaluation (ICE) Part 1 - Using the HCM 6 for Intersection Performance Evaluation

The Highway Capacity Manual (HCM) 6th Edition incorporates the results of millions of dollars of national, peer-reviewed research that has occurred since the publication of the HCM 2010. This edition of the HCM introduces a number of new capabilities, including travel time reliability forecasting, alternative intersections analysis, managed lane analysis, and work zone analysis. It also updates a number of existing methodologies, including those for freeway facilities and roundabouts. Recognizing that most users of the HCM implement its methods through software, this edition of the HCM highlights information that users need to know when applying the manual through software, such as input data needs and potential sources for specific performance measures, recommended default values, information on the sensitivity of results to specific inputs, and guidance on interpreting analysis results. Finally, the HCM’s expanded name, Highway Capacity Manual, 6th Edition: A Guide for Multimodal Mobility Analysis is intended to highlight the HCM’s ability to analyze the operation of non-auto modes, and to highlight the range of roadway performance measures the HCM provides beyond traditional level of service.

The sixth webinar in the series will focus on how the HCM6 can be used to conduct Intersection Control Evaluation (ICE) studies. The webinar will include an overview of what ICE is and the general components of such an evaluation. Then, the webinar will share what tools are available within the HCM6 to conduct these evaluations at intersections. This will include sharing details on the new roundabout method with updated capacity models. In addition to the HCM6, the webinar will also share some of the tools that are available within the Planning and Preliminary Engineering Guide to assist with ICE studies, including a new signalized intersection planning method that is less data intensive.

Learning Objectives

  • Understand the intent and general procedure of an Intersection Control Evaluation (ICE)
  • Learn about the tools available within the HCM to help conduct such an evaluation at intersections
  • Learn about the updated method to evaluating roundabouts
  • Learn about some of the new planning methods available within the Planning and Preliminary Engineering Guide that can help make these evaluations less data intensive
  • See through case studies how these methods can be applied