The American Road & Transportation Builders Association
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AASHTO R 48-2010
AASHTO R 48-2010 history
2010AASHTO R 48-2010 Standard Practice for Determining Rut Depth in Pavements
2009DIN EN 15638:2009 Ice skates - Safety requirements and test methods; English version of DIN EN 15638:2009-07
2008AASHTO R 48-2008 Standard Practice for Determining Rut Depth in Pavements [Superseded: AASHTO PP 38, AASHTO PP 38, AASHTO PP 38, AASHTO PP38, AASHTO PP38]
0000 DIN EN 15638:2007
2006DIN 32926:2006 Ice skates - Safety requirements and test methods