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Base saturation Flow

Bowman KELLY
City of Raleigh - Transportation Planning
Base saturation Flow was posted on September 30th, 2014 at 11:36 AM EDT
regarding Chapter 4: Traffic Flow and Capacity Concepts

Chapter 4, page 4-12 says that a summary of various studies of saturation flow at signalized intersections is available in Chapter 24, Concepts: Supplemental. Is there more specific information, such as a page number or table number, within Chapter 24 to help find this sat_flow summary?

Paul Ryus
Kittelson & Associates, Inc.
RE: Base saturation Flow was posted on October 24th, 2014 at 5:21 AM EDT

The saturation flow results referenced in Chapter 4 of HCM 2010 appear in Exhibit 8-29 (page 8-27) of HCM2000. Because of the age of the material (for example, the saturation flow study results are from 1967-1992), a decision was made during HCM 2010 production to drop all the summary tables that appeared in HCM2000. Unfortunately, the text in Chapter 4 was not removed or updated accordingly.

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