The freeway and arterial network being analyzed is congested today, and it will also be congested tomorrow. Why should I consider the HCM to be a cornerstone tool?
The HCM can evaluate the impacts of many congested network scenarios, such as on a freeway network or isolated intersections as long as the effect, limitations, and context of the results is understood. Yet, other congested scenarios are beyond the limitations of the HCM, such as signalized arterial networks or freeway-arterial interfaces. However, HCM can still be useful in the scenarios beyond its limits. For instance, the HCM enables the analyst to quickly assess the existing conditions of a given location, confirm “hot spot” locations, and compared to the complexity of microsimulation, is an easy tool to aid in the realization of the cause and effects of modified geometry and operational schemes. Additionally, the use of the HCM may aid in the establishment of a microsimulation analysis purpose, need, scope and physical network limits.
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