Open Access. Powered by Scholars. Published by Universities.®

Urban Studies and Planning Commons

Open Access. Powered by Scholars. Published by Universities.®

Portland State University

Transportation -- Planning

2011

Articles 1 - 1 of 1

Full-Text Articles in Urban Studies and Planning

Green And Economic Fleet Replacement Modeling: Part I, David S. Kim, Miguel A. Figliozzi, J. David Porter Oct 2011

Green And Economic Fleet Replacement Modeling: Part I, David S. Kim, Miguel A. Figliozzi, J. David Porter

TREC Final Reports

The purpose of this study was to gain a better understanding of how equipment replacement decisions are supported with data collection and quantitative models at state DOTs, and to determine if models found in the research literature offer any better decision support when applied to realistic fleet usage and cost data. This study also addressed the current state of equipment replacement at state DOTs with respect to using measurable “green” criteria in replacement decisions, and the development of new quantitative replacement models utilizing such criteria. The responses from 25 state DOTs indicates that there is little consistency in the criteria …