Roundabout perception: Review of standards and guidelines for advanced warning

A. Pratelli, R. R. Souleyrette, C. Harding

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

This paper deals with roundabout visibility and perception design requirements, including available standards and guidelines in the US and Europe for warning signs. To provide for the highest levels of safety, visual perception of junctions is important even where advance warning signs are provided, to reinforce driver knowledge and confidence in their actions. For roundabouts, three different types of central island development are recently suggested to affect their visual perception, and the related classification defines the reduced, the compressed and the streamlined, or slender, central island development. The paper proposes new methodologies to test this perceptibility of various roundabout designs and developments. Two research strategies based on the specific roundabout visual intrusion defined by the solid angle are outlined: on-site stand-by/2D and virtual video/3D. Finally, some preliminary results are discussed in view of selecting original and proper standards. Moreover, future research is suggested for extending the methodology to more comprehensive application.

Original languageEnglish
Title of host publicationUrban Transport XVI
Subtitle of host publicationUrban Transport and the Environment in the 21st Century
Pages71-82
Number of pages12
DOIs
StatePublished - 2010
Event16th International Conference on Urban Transport and the Environment, Urban Transport 2010 - Limassol, Cyprus
Duration: May 5 2010May 7 2010

Publication series

NameWIT Transactions on the Built Environment
Volume111
ISSN (Print)1743-3509

Conference

Conference16th International Conference on Urban Transport and the Environment, Urban Transport 2010
Country/TerritoryCyprus
CityLimassol
Period5/5/105/7/10

Keywords

  • Central island development
  • Driver visual perception
  • Roundabout design and safety
  • Roundabout perceptibility
  • Solid angle
  • Visual intrusion

ASJC Scopus subject areas

  • Architecture
  • Civil and Structural Engineering
  • Building and Construction
  • Automotive Engineering
  • Transportation
  • Safety, Risk, Reliability and Quality
  • Arts and Humanities (miscellaneous)
  • Safety Research
  • Computer Science Applications

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