Multifaceted public outreach and cost-benefit analysis for its effectiveness validation

Kunhee Choi, Eul-Bum Lee, C. William Ibbs and Yong-Woo Kim

Construction Management and Economics, 2009, vol. 27, issue 8, 771-782

Abstract: A heavily trafficked 4.5km highway stretch on Interstate 15 east of Los Angeles was rebuilt using two extended closures, each spanning nine days with 24/7 operations. Before and during the closures, a multifaceted, extensive, dynamic public outreach programme was implemented to gain public support for the project and to minimize inconvenience to the public. That outreach programme is described, its overall effectiveness in terms of total net benefit and traffic inconvenience during lane closures is assessed, and changes in public perception of the accelerated construction strategy resulting from the outreach programme is examined. Pre- and post-construction surveys performed using the project website mirrored the findings of the traffic measurement study, indicating that the outreach programme effectively reduced traffic demand. The results of two web-based surveys with a combined total of approximately 400 respondents indicated a dramatic change in public perception of the accelerated construction strategy. The survey results showed that strong initial objection to the accelerated project eventually became supportive of future, accelerated projects. The cost-benefit analysis showed that the additional cost of the outreach programme was outweighed by the savings achieved from reduced road user delay costs.

Keywords: Infrastructure management; project strategies; web-based system; cost-benefit analysis; public outreach (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1080/01446190903096591

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