US 1 ALT
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us 1 ALT BGS
US 1 ALT #3 is still posted as of Sept 2019
Photo by Mapmikey, taken May 25, 2006
US 1 ALT  not currently assigned
Previous US 1 ALTs:
US 1 ALT #1: Appeared in April 1937 (CTB) when Patrick, Wilkes, and Henry Sts in Alexandria were placed into the primary system.
In June 1947 (CTB), US 1 ALT was replaced by US 1.
US 1 ALT was shown but not labeled in Alexandria insets.
1944 Official
Henry St shown as primary (US 1 ALT #1)
1944 Official

US 1 ALT #2: Appeared as new primary routing between 1942-44 running from US 1 Crystal City north along the east side of the Pentagon before heading into Washington DC via the Memorial Bridge.
In Dec 1964 (CTB), US 1 ALT was renumbered as VA 110.
US 1 ALT was shown explicitly on official maps only 1944-46 but is explicitly shown on the 1958 Arlington County Map.

1944 Official
US 1 ALT #2
1944 Official
VA 110 (1967)
US 1 ALT becomes VA 110
1967 Official

US 1 ALT #3: Appeared around 1945 (bridge dates) as a bypass of Fredericksburg from US 1/VA 51 (now VA 208) to US 1 at the Rappahannock River.
About 1971, US 1 ALT became mainline US 1.
As of 2011 there is still a US 1 ALT posting on US 1 SB Fredericksburg!

1948 Official
US 1 ALT bypasses Fredericksburg
1948 Official
1971 Official
US 1 replaces US 1 ALT around Fredericksburg
1971 Official

US 1 ALT #4: Appears in the 1949 VDOT Route Log as Adams St in Petersburg. I haven't found a begin date for this (though not in the 1941 Route Log). This may have also been Washington St east of Sycamore. Not shown on any state official maps but is on some county maps.
In Aug 1951 (CTB), US 1 ALT #3 became the NB routing of US 1.
US 1 ALT #5?: Shown on Rand McNally 1961 Atlas and on VDOT official maps 1963-68 using Washington St/Powhatan Ave. I can find no CTB references to the route or for adding/subtracting these streets from the primary system so this may not have technically existed.

1951 Prince George County
US 1 ALT #4
1951 Prince George County
1963 Official
US 1 ALT #5?
1963 Official


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Page last modified 23 September 2013