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Technical Issues
The computational procedures of the Highway Capacity Manual are complex, often including a number of default values or assumptions that need to be understood (and sometimes modified) if the procedures are to be applied correctly to specific problems.

This case study presents, and hopefully clarifies, a number of technical issues that often arise in the application of Chapters 16 and 17 of the HCM. The Exhibit 5-9 lists these issues and identifies which are covered in each of the problems presented as part of this case study.

Technical issue

Problem in which the issue is covered

Pedestrian blockage

Queue lengths

Signal vs. TWSC delay comparison

Actuated signal control

Pedestrian and bicycle influences

Exclusive turns lanes

T-intersection

Minimum pedestrian green

Exclusive pedestrian phase

Adding signal phases