Posted Speed Limit Setting Procedure and Tool: User Guide (2021) / Chapter Skim
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Pages 38-43
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38 Example 1: Limited-Access Example 1 is a freeway in a large city. Crash data are not available.
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SLS-Tool Case Study Examples 39 Crash data are available and include the following: • Number of years of crash data = 5 years. • Average AADT (two-way total)
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40 Posted Speed Limit Setting Procedure and Tool: User Guide • Number of lanes = 4. • Median type = TWLTL.
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SLS-Tool Case Study Examples 41 With these input variables, the suggested speed limit is computed as 40 mph. Figure 10 shows the calculations.
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42 Posted Speed Limit Setting Procedure and Tool: User Guide • Segment length = 1 mi. • Number of lanes = 2.
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SLS-Tool Case Study Examples 43 Figure 11. Spreadsheet analysis of Example 4: Full-Access Segment.
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