Road Sign Math

This sign brings Montana into Road Sign Math for the first time, however if it were about 50 feet west it would have been Idaho’s turn. Randy Weiss found this sign on a recent roadtrip. The shotgun blast on the sign proves, beyond a shadow of a doubt, that we are in Montana.

Square root signs [...]

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We find math along the roadside as we head out of Yellowstone National Park. Randy Weiss snagged this winner from Wyoming after communing with the bears.

Another great addition sign. Bonus points for every digit in this sign being an even number!
24 + 44 = 68
This sign is found on eastbound US 14, 16 [...]

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Just down the road from Flashing Root, on highway 16, is another mathematically significant roadsign bringing the Coyote state, South Dakota, into Road Sign Math. Randy Weiss found this sign that pays an ode to the presidents and their dedication to mathematics in a way that the Office of Management and Budget never could.

The math [...]

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After a very long spell of signs from the northeastern states we finally return to the heartland of America, where one could argue the hunt for mathematically significant roadsigns may be harder as is life in general, with this first sign from Wyoming. This is also the first white informational sign to show it’s mathematical [...]

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Road Sign Math was launched on February 21, 2005 and in less than six months we are celebrating 50 great roadsigns! The hunt for mathematically significant roadsigns has proven to be more interesting and exciting than anyone would have expected.
We have already introduced 13 US states into the game, as well as 3 other countries. [...]

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David Slauenwhite submits this very elegant pi sign from rural Pennsylvania. There isn’t much to be found on the Internet about Trout Run or the location that this sign was found, Steam Valley Mountain. That’s unfortunate because they have such great names. It seems like an ideal location to have wonderful childhood adventures. [...]

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Randy Weiss puts another sign on the map for Rhose Island, only a few miles from the Coventry sign. Rhose Island may be a small state, but it makes the entire country proud with it’s mathematically significant roadsigns and how approachable they are, especially for children. Bravo Ocean State!

The math here is exciting because [...]

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The Ocean State makes it’s first entry into road sign math with this very straightforward sign submitted by Randy Weiss. Rhose Island is an amazingly small state. When was the last time you looked at a map of it? It’s a little sliver off of the ocean. The entire state is only 1,545 square miles!

This [...]

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Randy Weiss submitted this sign from Massachusettes. The sign points the follower to Attleboro. Attleboro used to be Attleborough until 1914 when the city decided to save itself some letters. Attleboro was once the residence of that most famous of signatures, John Hancock.

It is a little surprising that it took 47 sign submissions before [...]

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Randy Weiss returns with another mathematically significant roadsign from Connecticut. This sign from Westbrook reminds us that one, is not always a lonely number.

What are the odds that we have two sequential, controversial signs. Within days of each other, but literally on the other side of the globe we get the same math [...]

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