Interim Report: Traffic Information Signs, Colour Scheme of Emergency Exit Portals and Acoustic Systems for Road Tunnel Emergency Evacuations

Enrico Ronchi, Daniel Nilsson

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Abstract

A literature review and a questionnaire study with 62 participants were carried out to provide recommendations on the design of a set of evacuation systems for road tunnels: 1) Traffic Information Sign (TIS) - message and size of the sign (large or small), colour scheme, and use of pictograms and/or flashing lights, 2) Emergency exit portal layout - colour scheme, 3) Acoustic systems - voice message and/or warning signals. The TIS is recommended to include the use of two panels which present text (in amber) and flashing lights in one panel and the emergency exit pictorial symbol in green in the other panel. An increased size of the panels has a positive effect on capturing participants’ attention. The recommended colour scheme for the emergency exit portal is safety green for the portal and a “green darker than the safety green” for the door. Vocal messages are not recommended since they may be quite difficult to perceive in tunnels. The use of a warning signal (F_SAW signal) based on British Standards is recommended.
Original languageEnglish
PublisherDepartment of Fire Safety Engineering and Systems Safety, Lund University
Number of pages16
Volume7039
Publication statusPublished - 2013

Publication series

Name
Volume7039

Subject classification (UKÄ)

  • Building Technologies

Keywords

  • Emergency evacuation
  • tunnel evacuation
  • Theory of Affordances
  • way-finding
  • notification
  • emergency exit
  • system design.

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