Abstract
This report documents the study of the field performance of an inlay type of thermoplastic pavement marking material along with the 2-year-old bituminous pavement to which it was applied. Evaluation included physical performance of the product and the effect on overall durability of the pavement surface. The installation was performed in May 2006 on a bituminous test cell at the Minnesota Road Research Project's Low Volume Road. A total of 524 ft2 of inlaid thermoplastic pavement marking material was installed on a 4-in. surface of Superpave® hot-mix asphalt, including one segment installed along 100 ft of the left wheel path of a lane that received standard truck load configurations, and two crosswalks that received load configurations that varied by lane. From May 16, 2006, to August 1, 2007, the installations received 6,809 and 2,003 repetitions of the standard 80K and overloaded 102K truck configurations, respectively. The installation was a decorative treatment, not a retrofit of longitudinal lines on the existing pavement.
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