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Sub-problem 2b - Page 1 of 10

ID# C402B01

Sub-problem 2b: What are the Levels of Service in the Weaving Sections Located in the I-87/Alternate Route 7 Interchange?

Step 1. Setup

In this sub-problem, we will consider the three weaving sections that are part of the I-87/Alternate Route 7 interchange and determine the quality of service that is provided to drivers traveling through these sections. These weaving sections, shown in Exhibits 4-20, 4-21, and 4-22, are classified as Type A weaves.

As we begin this sub-problem, consider these questions:

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What type of analysis will produce an evaluation of traffic conditions present at the weaving sections?

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What data are needed to analyze the operations of these weaving sections?

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What are the limitations of the models used to analyze the performance of a weaving section?

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Why are these weaving sections considered to be Type A weaves?

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What measures of effectiveness are used to evaluate the performance of a weaving section?

bulletWhat is meant by the terms "constrained operation" and "unconstrained operation?"

Discussion:
Take a few minutes to consider these questions. When you are ready, continue to the next page.

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