NFPA-502 Complete Document History
Standard for Road Tunnels, Bridges, and Other Limited Access Highways

Complete Current Edition:
   2020 EDITION - Road Tunnels, Bridges, and Other Limited Access Highways - Jan. 1, 2020

Obsolete Revision Information:
   2017 EDITION - - June 2, 2016
   2014 EDITION - Road Tunnels, Bridges, and Other Limited Access Highways - Jan. 1, 2014
   TIA 11-2 - TENTATIVE INTERIM AMENDMENT 2 - Aug. 1, 2013
   TIA-11-1 - TENTATIVE INTERIM AMENDMENT 1 - Oct. 20, 2010
   2011 EDITION - PDF FORMAT ONLY - Oct. 1, 2010
   2008 EDITION - Road Tunnels, Bridges, and Other Limited Access Highways - Jan. 1, 2008
   2004 EDITION - PDF FORMAT ONLY - Jan. 1, 2004
   2001 EDITION - PDF FORMAT ONLY - Jan. 1, 2001
   1998 EDITION - PDF FORMAT ONLY - Jan. 1, 1998
   1998 EDITION ERRATA - ERRATA FOR 1998 EDITION - Jan. 1, 1996
   1996 EDITION - PDF FORMAT ONLY - Jan. 1, 1996
   1992 EDITION - PDF FORMAT ONLY - Jan. 1, 1992
   1987 EDITION - PDF FORMAT ONLY - Jan. 1, 1987