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Proposed pavement markings to reduce right-turning vehicular crashes
Abu Dhabi University.
Abu Dhabi University.
2018 (English)Conference paper, Published paper (Refereed)
Abstract [en]

An unprotected (permitted) right-turn is when a driver is allowed to make a right turn and merge with non-stopping cross traffic stream. In this case, the turning driver will need to use his/her judgment to select a proper time gap for departure, which is not always accurate and could lead to serious right-turning vehicular crashes. This paper proposes the use of advisory pavement markings that may be painted through a certain distance upstream of intersections where drivers make unprotected right-turning departures. The proposed pavement markings are expected to aid those right-turning drivers by setting a limit for them so that the presence of any cross-traffic approaching vehicles over those pavement markings gives an indication to the turning driver that a proper time gap is not available to start departure. A methodology is presented to calculate the distance upstream of the intersection where the proposed markings should extend. The presented methodology takes into consideration the speed of the approaching vehicles as well as the acceleration profile of the departing vehicle. A two-stage acceleration profile was selected for the departing vehicle based on actual data collected where acceleration rate increases with the increase of the speed up to 20 km/h and then it starts to decrease. A design table is also provided to aid roadway designers in selecting the distance upstream of the intersection where the proposed pavement markings should be extended.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2018.
National Category
Infrastructure Engineering
Research subject
X RSXC
Identifiers
URN: urn:nbn:se:vti:diva-13183OAI: oai:DiVA.org:vti-13183DiVA, id: diva2:1240198
Conference
18th International Conference Road Safety on Five Continents (RS5C 2018), Jeju Island, South Korea, May 16-18, 2018
Available from: 2018-08-20 Created: 2018-08-20 Last updated: 2018-08-20Bibliographically approved

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Infrastructure Engineering

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf