US 240
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US 240  not currently assigned
Previous US 240's:

US 1: 0 - 0
DC LINE: 0.25 - 0.25
US 240: Commercial maps from at least two sources (Gen Drafting and Gousha) from at least 1934-42 show US 240 crossing the Potomac River via the Memorial Bridge onto Columbia Island, then heading southeast along today's George Washington Memorial Pkwy to US 1, whose "Highway Bridge" crossing was at today's 14th St bridge area. This means that 0.25 miles of US 240 from US 1 to the Boundary Channel bridge would've been in Virginia.
Although the Parkway (called Mt. Vernon Memorial Blvd back then) was never in the primary system, there is one Virginia Official State Map that also showed this: 1937. Maps from 1932-36 implied it could've been there.
US 240 does not appear on any Arlington County map I can find - earliest one done by VDOT I have is 1945.
It is entirely plausible that this road was signed as TO US 240. Note that the Gen Draft maps also show Mt. Vernon Memorial Blvd. west of Us 1 as either US 50 ALT or US 50 Bypass.
1937 Official
US 240 shown west of the Potomac River
1937 Official

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Page last modified 22 November 2014