U.S. flag An official website of the United States government.
Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

i

A comprehensive study on pavement edge line implementation : [tech summary].

File Language:
English


Details

  • Creators:
    Sun, Xiaoduan ORCID ICON IMG
  • Corporate Creators:
    Louisiana Transportation Research Center
  • Subject/TRT Terms:
  • Publication/ Report Number:
    LTRC Report 508
  • Resource Type:
    Brief
  • Geographical Coverage:
    Louisiana
  • Corporate Publisher:
    Louisiana Transportation Research Center
  • Abstract:
    Reducing the number of run-off -road (ROR) crashes is a top priority for rural two-lane highways, particularly narrow, rural two-lane ; highways. Previous research conducted by the Louisiana Transportation Research Center has concluded that placing edge lines on ; narrow rural two-lane highways centralizes vehicular lateral position, which should help reduce the number of crashes. This project ; uses the latest safety analysis method introduced by the fi rst edition of Highway Safety Manual (HSM) to estimate the safety benefi ts ; of edge line on narrow, rural two-lane highways. The crash data from three years before and after edge line implementation were used ; to develop a crash modifi cation factor. ; The crash modifi cation factors (CMFs) for placing standard edge line markings on rural two-lane highways (without mentioning the ; width of pavement) is given by the fi rst edition of HSM. However, the range of the CMF (0.09, 1.10) does not indicate a positive impact ; with certainty. The current Manual on Uniform Traffi c Control Devices (MUTCD) does not require implementing edge lines on narrow, ; rural two-lane highways with average annual daily traffi c volume (AADT) less than 6,000. The AADT on all narrow, rural two-lane ; highways in the state is less than 6,000. Thus, a comprehensive study on edge line is needed in Louisiana.
  • Format:
    PDF
  • Funding:
    State Project No. 30000730;LTRC Project No. 13-2P
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/27328/dot_27328_DS1.pdf
  • File Type:
    Filetype[PDF - 137.44 KB]
  • Collection(s):
    US Transportation Collection
  • Main Document Checksum:
    urn:sha-512:38fd0d5b94c142f025bfdf89e5fde258044d4b3f16aea21a9581a9fc41fb322f59a60f53d67a1e74d4af5c638898ade115d5175f585bfe0124f2ffc7cdb70c28
PREVIOUS
File Language:
English
ON THIS PAGE
Details
 Found an issue?
Send us an email at:
publishinghd@cdc.gov
ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.
BACK TO TOP