General Supplemental Specifications | Department of Transportation

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General Supplemental Specifications
GS	Date	Download
GS-23001	10/17/2023	GS-23001 (976 KB) Archived .pdf
GS-23002	4/16/2024	GS-23002 (936.75 KB) Archived .pdf
GS-23003	10/15/2024	GS-23003 (462.72 KB) Archived .pdf
GS-23004	4/15/2025	GS-23004 (318.56 KB) Archived .pdf
GS-23005	10/21/2025	GS-23005 (304.43 KB) .pdf
GS-23006	4/21/2026	GS-23006 (521.97 KB) .pdf

GS 2015
GS	Date	Changes
GS-15001 (1.25 MB) Archived .pdf	10/20/2015
GS-15002 (1.06 MB) Archived .pdf	4/19/2016	replaces GS-15001
GS-15003 (2.39 MB) Archived .pdf	10/18/2016	replaces GS-15002 and SS-15005
GS-15004 (1.06 MB) Archived .pdf	4/18/2017	replaces GS-15003
GS-15005 (2.85 MB) Archived .pdf	10/17/2017	replaces GS-15004
GS-15006 (1.88 MB) Archived .pdf	4/17/2018	replaces GS-15005, DS-15010, and DS-15022
GS-15007 (1.77 MB) Archived .pdf	10/16/2018	replaces GS-15006
GS-15008 (1.93 MB) Archived .pdf	04/16/2019	replaces GS-15007
GS-15009 (2.04 MB) Archived .pdf	10/15/2019	replaces GS-15008
GS-15010 (2.15 MB) Archived .pdf	4/21/2020	replaces GS-15009
GS-15011 (2.13 MB) Archived .pdf	10/20/2020	replaces GS-15010
GS-15012 (2.13 MB) Archived .pdf	04/20/2021	replaces GS-15011
GS-15013 (2.47 MB) Archived .pdf	10/19/2021	replaces GS-15012
GS-15014 (2.67 MB) Archived .pdf	04/19/2022	Replaces GS-15013
GS-15015 (4.57 MB) Archived .pdf	10/18/2022	Replaces GS-15014
GS-15016 (2.95 MB) Archived .pdf	4/18/2023	Replaces GS-15015