01648170

Component

https://doi.org/10.3141/2630-10

The impact of alternative project delivery methods (APDM) was compared with that of the traditional method of design–bid–build (DBB) on the long-term performance of transportation projects. The metric used to quantify long-term performance differences between projects is the international roughness index (IRI), which is an indicator of ride quality. Data were collected on four alternative delivery projects on the National Highway System in Arizona and Colorado, along with data on their comparable DBB projects. Two of the projects provided northbound and southbound data and their respective comparisons, so six pairs of projects were investigated. In the study of the IRI time series, five of the six APDM projects were found to perform better than their traditional counterparts. This exploratory study contributes to the body of knowledge by starting to quantify the impact of APDM on the actual long-term performance of transportation projects.

01634656

17-05756

English

pp 76-84

2017

Transportation Research Record: Journal of the Transportation Research Board

9780309441841

Digital/other

Figures; References; Tables

Pavement performance; Project delivery; Road construction; Roughness

International Roughness Index

Arizona; Colorado

Administration and Management; Construction; Highways

TRIS, TRB, ATRI

Oct 5 2017 10:56AM

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• Estimating Earthwork Volumes Through Use of Unmanned Aerial Systems
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• Exploration of Early Work Packaging in Construction Manager–General Contractor Highway Projects
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• Monitoring During Lateral Bridge Slide
• New Quality Assurance Tests for Building Quality Concrete Pavement
• Project Scoping Process Model Development to Achieve On-Time and On-Budget Delivery of Highway Projects
• Roles and Responsibilities of Independent Cost Estimator in Construction Manager–General Contractor Highway Construction
• Wisconsin Department of Transportation Hot-Mix Asphalt Round Robin Laboratory Qualification Testing Program