Optimum Use of CDOT French and Hamburg Data

The Euro Lab has been used by the Colorado Department of Transportation (CDOT) for over ten years for asphalt performance testing for information purposes. The operating costs are considerable and the continued use of information only testing may be of limited value. A number of departments of transportation (DOTs) and organizations are using results from the Hamburg and French pavement performance testing machines for project acceptance testing, as well as for incentive/disincentive payments. There may be opportunities to eliminate some of the existing testing requirements with the inclusion of Euro Lab results in the quality control/quality assurance (QC/QA) acceptance items, and the Euro Lab test results may be better indicators of the expected performance of in-place asphalt pavements.