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ASTM Standard assesses retroreflectivity of pavement markings.

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September 24, 2010 - An effort currently under way by the U.S. Federal Highway Administration to set national standards for minimum maintained retroreflectivity levels for pavement markings has illustrated the need for a practical protocol to measure such levels. In response to this need, ASTM International Committee D04 on Road and Paving has developed ASTM D7585/D7585M, which describes 3 techniques that can be used to assess markings.

New ASTM Standard Assesses Retroreflected Luminance of Roadway Pavement Markings


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ASTM International
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West Conshohocken, PA, 19428-2959
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Press release date: September 20, 2010

W. CONSHOHOCKEN, Pa., -An effort currently under way by the U.S. Federal Highway Administration to set national standards for minimum maintained retroreflectivity levels for pavement markings has illustrated the need for a practical protocol to measure such levels. In response to this need, ASTM International Committee D04 on Road and Paving has developed ASTM D7585/D7585M, Practice for Evaluating Retroreflective Pavement Markings Using Portable Hand-Operated Instruments. The new standard is under the jurisdiction of Subcommittee D04.38 on Highway Traffic Control Materials.

ASTM D7585/D7585M serves as a successor to a previous ASTM standard, ASTM D6359, Specification for Minimum Retroreflectance of Newly Applied Pavement Marking Using Portable Hand-Operated Instruments, which was withdrawn in 2006.

According to Paul Carlson, a research engineer at the Texas Transportation Institute of Texas A&M University and a D04.38 member, ASTM D7585 describes three techniques that can be used to assess the retroreflected luminance of pavement markings.

"Roadway agencies specify different levels of retroreflectivity for different reasons. Some specify retroreflective levels for newly applied markings while others specify retroreflective levels for in-service markings or end-of-service warranty periods," says Carlson. "Contractors or third party service providers will use the standard to measure the retroreflectivity using a standard technique."

All interested parties, particularly users, are encouraged to participate in the standards developing activities of D04.38.

To purchase ASTM standards, visit www.astm.org and search by the standard designation number, or contact ASTM Customer Relations (phone: 610-832-9585; service@astm.org). ASTM International welcomes and encourages participation in the development of its standards. For more information on becoming an ASTM member, visit www.astm.org/JOIN.

ASTM International is one of the largest international standards development and delivery systems in the world. ASTM International meets the World Trade Organization (WTO) principles for the development of international standards: coherence, consensus, development dimension, effectiveness, impartiality, openness, relevance and transparency. ASTM standards are accepted and used in research and development, product testing, quality systems and commercial transactions.

View this release on the ASTM Web site at www.astmnewsroom.org.

ASTM Committee D04 Next Meeting: Dec. 7-9, December Committee Week, New Orleans, La.

Technical Contact: Paul Carlson, Texas Transportation Institute, Texas A&M University, College Station, Texas, Phone: 979-845-1728; paul-carlson@tamu.edu

ASTM Staff Contact: Daniel Smith, Phone: 610-832-9727; dsmith@astm.org

ASTM PR Contact: Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org

www.astm.org
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