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Pages 91-93

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From page 91...
... NCHRP 17-65 Improved Analysis of Two-Lane Highway Capacity and Operational Performance Final Report 91 4. Summary and Recommendations 4.1.
From page 92...
... NCHRP 17-65 Improved Analysis of Two-Lane Highway Capacity and Operational Performance Final Report 92 service measure. The HCM stated that a 3.0-s headway criterion could be used to approximate the percentage of followers for the purpose of approximating PTSF.
From page 93...
... NCHRP 17-65 Improved Analysis of Two-Lane Highway Capacity and Operational Performance Final Report 93 1700 pc/h/ln. However, of the field data collected for this project, two locations were found to experience high flow rates, with maximum flow rates similar to the 1700 pc/h/ln value.

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