Current examples of asset management include pavement management systems for roadway networks, bridge management systems Hudson and Hudson, 1994 1994 and public transit facilities and equipment management systems for transit Parsons et al., 1995: Kish and Meyer, 1996] The concept of an asset man- metropolitan-level transportation system includes the total agement system for a aset base and not just one component, Given the significant levels of investment in aging infrastructure. very transportation systems and the decay associated w ome a key aspect in managing metropolitan kely that asset management w sportation systems in future years