Cross Section Geometry in Uni-directionnal Tunnels

Work on this report started in 1998 after studying literature on accidents in tunnels and national design guides. The goal 4 is to develop the principles for a safe and cost effective tunnel cross section taking into consideration signalling and traffic management requirements. This report mainly describes the arguments considered in various countries concerning the dimensions of the cross section that are essential for traffic in terms of capacity, congestion level and safety. Conclusions are drawn and recommendations are given.

Information sheet

  • Date: 2002
  • Author(s): Comité technique 5 Tunnels routiers / Technical Committee 5 Road Tunnels
  • Domain(s): Road Tunnel Operations
  • Type: Bilingual English - French, published in 2002
  • PIARC Ref.: 05.11.BEN
  • ISBN: 2-84060-138-9
  • Number of pages: 96

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