The ISOHDM Study Christopher R. Bennett Lead Transport Specialist The World Bank Sydney, Australia
Some History De Weille 1966 Highway Cost Model 1971 Kenya Study HDM-II 1981 Caribbean Study – India Study – Brazil Study – HDM-III 1987 ISOHDM Study HDM
ISOHDM Study Teams Chile (Concrete Pavements) University of Birmingham (Software) Finland South Africa ADB/Malaysia (Models) Japan Australia Sweden UK New Zealand France Core Supporting
ISOHDM Achievements Models Software RUE SEE RDWE Models Knowledge Base
ISOHDM Time Frame Malaysia technical relationships study completed Other technical studies completed PIARC takes over leadership of implementation phase Launch Workshop in Birmingham, U.K HDM-4 v 1 software released Final HDM knowledge products released (7 volumes) HDM-4 v 2 software released (2.08 in 2013)
Some Context …
Vehicle Technology Has Changed 20% decrease in fuel consumption Source: US DOT:
Pavement Technology Has Changed Source:
Data Collection Has Changed Source:
We Are At A Juncture Source:
Questions