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Aexcel Roadzilia methyl methacrylate pavement marking.
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2014-12-01
[PDF-1.38 MB]
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Abstract:Pavement markings provide an important means of communication for all roadway users and must be capable of conveying
information during inclement weather and evening hours when there may be little to no contribution from overhead lighting. The
following report outlines the observations concerning the second application of an experimental pavement marking, known as
Aexcel Roadzilla™ Methyl Methacrylate, with respect to long line application. In addition, the report contains information
pertaining to field data collection to assess the luminance, durability, and the ability to uphold the retroreflectivity requirements
over time.
The Aexcel Roadzilla™ Methyl Methacrylate was applied on the Chester Bridge #49 deck replacement BHF-ST 0134 (31)
project, located along VT Route 11 at approximately mile marker (MM) 5.7 by the manufacturer, Aexcel Corporation of Mentor,
Ohio. The rolled beam bridge structure has approximately an 82’-0” span. A total of 34 readings were taken on both the white
edge lines and yellow centerlines on the concrete surface. On the bituminous concrete bridge approaches, 18 readings were
taken on the white edge lines and 12 readings were taken on the yellow centerlines. Following the placement of the markings,
retroreflectivity and wear readings were collected using uniform methods. Retroreflectivity readings were taken on each line
(white edge, white skip, yellow edge) at five-foot intervals on both the bare concrete bridge deck surface and bituminous concrete
bridge approaches using the LTL 2000 Retroreflectometer. Readings were collected four times over the course of the first year
of the evaluation. At the fourth site visit, it was determined that due to the poor performance of the yellow centerline, it needed to
be reapplied. All readings were taken after the reapplication of the yellow. The first year there were losses of retroreflectivity of
83% of the white on concrete and 93% of the white on asphalt. For the first application of the yellow markings, there was a loss
of 89% on concrete and 94% on asphalt. For the reapplication, the yellow markings had losses of 92% on the concrete and 81%
on the asphalt. The following report summarizes the application, performance and observations
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