Final report of the Organisation for Economic Co-operation and Development OECD seminar on road tunnel management, Lugano, Switzerland, from 26 to 29 November 1990, organized in association with the Swiss Federal Highways Office SFHO, and in conjunct...

This report consists of two parts. The first consists of a general section, which reports on the 1990 OECD seminar on Road Tunnel Management and which provides a list of publications associated with it. The second part consists of a special section which develops and comments on a number of special topics. The first section provides a summary of the papers presented at the seminar. These covered: (a) management and operation; (b) environment; (c) safety; (d) the transport of hazardous loads; and (e) policy and future developments. The special section considers: (a) the dispertion of vitiated air; (b) the effect of clean engines on the power required to operate ventilation systems; (c) user behaviour; (d) tunnel repair; (e) the transport of hazardous loads; and (f) costs. Based on information from a variety of European tunnels, a number of findings are listed particularly in relation to costs. Areas are highlighted where future research is recommended.