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Chapter 6: Timing Processes on One Approach
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The purpose of this activity is to give you the opportunity to select and justify design values for passage
time.
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Compare headway distributions for one lane and two lane data
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Select passage time values for one lane and two lane approaches
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Excel template and results from Activity #36
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Excel spreadsheet that includes the selected design parameters (passage time), as well as justification
for these values. This should be the same Excel file that you used for Activity #36 with the following
tabs added:
Tab 8:
Headway analysis for two lane data
Tab 9:
Phase termination data
Tab 10:
Phase termination analysis for two lane data
Tab 11:
Performance data from VISSIM
Tab 12:
Analysis and summary based on Tasks 6, 7, and 8
1. What are the differences in the headway distributions that you prepared for the one lane approach and
two lane approach conditions? Describe them in complete sentences.
2. Would the passage time for a two lane approach be lower or higher than for a one lane approach?
Provide justification for your answer.
Determining the Passage Time