Skip to main content

Posted Speed Limit Setting Procedure and Tool: User Guide (2021) / Chapter Skim
Currently Skimming:


Pages 55-55

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 55...
... 55   AADT Average annual daily traffic AASHTO American Association of State Highway and Transportation Officials ADT Average daily traffic C50 The 5-mph increment that is closest to the 50th percentile speed C85 The 5-mph increment that is closest to the 85th percentile speed CMF Crash modification factor Expanded FCS Expanded Functional Classification System FHWA Federal Highway Administration HSIS Highway Safety Information System HSM Highway Safety Manual ISW Inside shoulder width K Constant associated with the confidence level (1.645 for 95 percent confidence) KABC Fatal and injury crash severity levels KABCO All crash severity levels LW Lane width M Exposure (100 million vehicle miles)
Read the entire page →

Key Terms



This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More information on Chapter Skim is available.