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Accident Modification Factors for Traffic Engineering and ITS Improvements (2008) / Chapter Skim
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Pages 30-33

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From page 30...
... developed two lists of candidate treatments to consider for AMF development -- one for roadway segments and one for intersections. These lists were based on the results of the earlier-described AMF knowledge matrix and on the specific AMF needs of the companion NCHRP projects.
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From page 31...
... The expert panel inputs were then compiled by the NCHRP Project 17-25 team to develop a final list for discussion. The research team then developed and distributed to each expert panel member a resource notebook.
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From page 32...
... Roadway Segment Treatments Number of Lanes U/S Arterials No Lane Width U/S Arterials No Shoulder Type U/S ArterialsRML Highways No Yes Shoulder Width U/S ArterialsRML Highways No No Add a Median U/S Arterials No Median Width U/S ArterialsRML Highways No No Developed by separate 17-25 analysis Two-Way Left-Turn Lane (TWLTL) U/S Arterials Yes Horizontal Curvature U/S Arterials No Possible development in 17-29 RML Highways No Sideslope RML Highways Yes Clearzone Width RML Highways No Roadside Fixed Objects U/S ArterialsRML Highways No No Developed by additional 17-26 analysis Driveways/Access Points U/S ArterialsRML Highways No No 17-26 analysis produced separate models for driveway accidents Speed Limits/Zoning U/S ArterialsRML Highways No No Developed by separate 17-25 analysis On-Street Parking U/S Arterials Yes Segment Lighting U/S Arterials Yes Further developed by additional 17-25 and 17-26 analysis Rumble Strips U/S ArterialsRML Highways Not Needed No Miscellaneous Treatments Pedestrian/Bicycle Treatments U/S Arterials No Some being developed in 17-26 Far-Side vs.
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From page 33...
... The project team completed all logistics for the meeting, the expert panel members prepared for the meeting, and the meeting was held at the University of North Carolina (UNC) Highway Safety Research Center facilities.
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Key Terms

  • expert panel
  • roadway segment
  • rumble strips
  • rml highways
  • nchrp project

  • shoulder width
  • amf knowledge
  • lane width
  • lane amf
  • panel considered

  • texas transportation
  • transportation institute
  • amfs derived
  • highway safety
  • median width

  • arterials yes
  • knowledge matrix
  • predictive certainty
  • nchrp projects
  • rural multilane

  • segment lighting
  • state highway
  • existing amfs
  • ryerson university


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