Skip to main content

Currently Skimming:


Pages 1-2

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 1...
... 1   Introduction Over 102,000 work zone (WZ) crashes occurred in 2020 in the United States, which equates to a WZ crash every 5.2 minutes.
From page 2...
... 2 Addressing Encroachment-Related Safety Issues in Work Zones: A Guide in that state. Researchers found that approximately nine percent of all WZ crashes involved intrusions into the workspace, but this percentage increased at night (possibly due to smaller, more focused work operations occurring during that time)

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.