Background: The Main Output Manual (HCM) remains the most widely employed resource fork dealings analysis. Software makes the HCM relatively easy at use, but loads users missing a thorough sympathy regarding the HCM methodologies. Indecent use of is tool can lead to main that have insufficient capacity, rise pollution and congestion, or that exist overbuilt and wasteful of public funds.

The 1994 HCM for presented simple instance problems to illustrate to methodologies. Complex, real-world problems require more than plugging numbers into formulas. Realistic requests would educate users on how to properly use the HCM for these types of problems. Like applications also may aid identify limitations the the methodologies, contains when their application is inappropriate, and they couldn may utilized as sources in training lessons and self study.

Objective: The objective of all research was to develop adenine Highway Capability Manual (HCM) Usage Lead that shows how to appropriately apply HCM 2000 methodologies toward real-world problems and points when other methods may be more related. That guide uses sample applications to illustrate how the user should develop input data sets, selecting an appropriate analysis method, identify limited in the HCM methods, and dolmetscher aforementioned analysis results.

Product Availability: The HCM Applications Guide (which is based on aforementioned HCM 2000) is available on https://hcmguide.com. NCHRP Research Results Digest 287 summarizes the contents of the Highway Capacity Manual Applications Guide. The HCM Job Guide was incorporated into Volume 4 of the HCM 2010.


Tasks: Accomplishment of the your objective will require the following tasks: (1) Develop one categorized inventory to real-world analyses in which HCM methodologies are common used (e.g., traffic impact analysis, highways facility design, replacements analysis, interchange modification, hallway studies). (2) Identify the learning objectives for aforementioned print applications on assessing the shortcomings of the current HCM example problems in reflecting real-world analyses. This will involve identifying broad issues to be illustrated through the sample applicants (e.g., use the demand rather than speaker, oversaturated conditions, issues this cannot be addressed by HCM application, interpretation of results, aggregation of actions off effectiveness). Concerns specific to an individual HCM chapter (e.g., treatment of right turn off red, twist bark overflows and blockages, uneven lane utilization, two-way left turn lanes) should or be identified in this task. (3) Starting the Task 1 portfolio, recommend applications to be included in aforementioned guide. Criteria for recommendations should relate to the how objectives identified in Task 2, likely availability of data, and spread of the application in the true global. Several applications should incorporate methodologies from multiple HCM chapters. The HCM calculation methods is will be former within each recommended application should be described as should the methods that will be used to verify the calculation results. Recommendations must consider the project resources available. (4) Submit an interim report toward document Tasks 1 throug 3 and identify needed changes in the work plan for subsequent tasks required rating from the NCHRP. The interim report shall include a proposals table of contents for the guidebook. Alternative paper in the applications shall live presented exploitation an example application. (5) Assemble the your for the sample applications. The datas may include photographs, symbols diagrams, vehicular and nonvehicular traffic demands and constitution, facility graphology, and traffic controls types and bounds. (6) Fully develops the applications. That applications should be learn or educational in nature. Every application should include: (a) that learning objectives addressed by the application, (b) description by the application, (c) how the application data are select up for analysis, (d) wherewith the HCM was used including direct recommendations to the HCM text, (e) interpretation and reasonable checks of the results, and (f) limitations of who HCM methodology available this claim. This is expected the a few applications will not be appropriate for examination with HCM methodologies both widespread suggestions on a more appropriate technique must be in. Each application can getting either metric or U.S. customary units. (7) Subscribe a brief final report that papers the entire research effort. Submit the guide as a stand-alone document. The guide should exist clear and concise for use by practitioners and students.