 1963 – APWA Std Specs 1 st Ed  1988 – Separate APWA 1-99 Book  1991 – Supplement Included  1997 – H&LP Letter  1997 – Div 1 Committee reactivated WSDOT/Admin Team  1998 – Updated 1-99 Published  2005 – APWA GSPs  2006 – 1-99 is out of the Book APWA on WSDOT website  2008 – APWA GSPs can be downloaded like WSDOT GSPs APWA WA CHAPTER 1-99 Supplement - Div 1 - History
{}