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Lesson Learned

Road evaluations should include an assessment of reduced vehicle operating costs because that is a key benefit stream in the economic analysis that is typically used to justify investments in road improvements.

Road evaluations should include an assessment of reduced vehicle operating costs because that is a key benefit stream in the economic analysis that is typically used to justify investments in road improvements. This evaluation provided valuable information about outcomes for people who live within 30 minutes of the improved road; however it does not assess the traffic patterns of the road and cannot be used to update the HDM-IV model that calculated the ex-ante and close-out Economic Rates of Return.