Road Sign Math

H.B. Elkins found this mathematically significant roadsign my digging around in his collection of road sign pictures.

The math here is pretty obvious.
\sqrt{81} = 9
This sign is on WV-9 heading toward I-81 in West Virginia. See sign on map!

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H.B. Elkins found this mathematically significant roadsign my digging around in his collection of road sign pictures.

Mr. Elkins didn’t have to work hard to get the math here.
20 - 1 = 19
This sign is on US 50 in downtown Clarksburg, West Virginia. See sign on map!

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H.B. Elkins found this mathematical road sign in the eastern panhandle of West Virginia.

Mr. Elkins identifies a very elegant solution bringing all five numbers together.
(16-14) + 2 = 13 - 9
This sign is on I-81 northbound at Martinsburg, West Virginia. See sign on map!

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H.B. Elkins found this mathematically significant road sign in rural West Virginia between the towns of Hinton and Alderson.

Mr. Elkins pulls some factorials to make this work.
3! + 3! = 12
This sign is in West Virginia. See sign on map!

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It has been a long time since we had a new state on Road Sign Math, but finally the streak is broken. However, it’s been even longer since H.B. Elkins has brought a mathematically significant sign. H.B. hold the honor of being the first person (outside of the founder of the game) to ever post [...]

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