M 268-1998 MANDATE TO CEN/CENELEC FOR THE ELABORATION AND ADOPTION OF STANDARDS FOR THE MEASUREMENT METHOD FOR THE DETERMINATION OF THE EFFICACY OF FLUORESCENT LIGHTING LUMINAIRES
2015M 268-2015 Standard Specification for Retroreflective Sheeting for Flat and Vertical Traffic Control Applications
2014M 268-2014 Standard Specification for Retroreflective Sheeting for Flat and Vertical Traffic Control Applications
2013M 268-2013 Standard Specification for Retroreflective Sheeting for Flat and Vertical Traffic Control Applications
2010M 268-2010 Standard Specification for Retroreflective Sheeting for Flat and Vertical Traffic Control Applications
2008M 268-2008 Standard Specification for Retroreflective Sheeting for Traffic Control
2006M 268-2006 Standard Specification for Retroreflective Sheeting for Traffic Control
2003M 268-2003 Standard Specification for Retroreflective Sheeting for Traffic Control (ASTM Designation: D 4956-01a)
2000M 268-2000 Standard Specification for Retroreflective Sheeting for Traffic Control (Twentieth Edition; ASTM D4956-99)
1999M 268-1999 Standard Specification for Retroreflective Sheeting for Traffic Control (Nineteenth Edition; Revised Per Interim Specifications - Specifications - 1999)
1998M 268-1998 MANDATE TO CEN/CENELEC FOR THE ELABORATION AND ADOPTION OF STANDARDS FOR THE MEASUREMENT METHOD FOR THE DETERMINATION OF THE EFFICACY OF FLUORESCENT LIGHTING LUMINAIRES
1995M 268-1995 Standard Specification for Retroreflective Sheeting for Traffic Control (Nineteenth Edition; ASTM D4956-94)
1993M 268-1993 Standard Specification for Retroreflective Sheeting for Traffic Control