Road Sign Math

Gerald Thurman brings us this sign from Tempe, Arizona. Tempe now joins the other ranks of cities welcoming people with Math to their great city.

The math doesn’t get simpler than this.
1 + 2 = 3
This sign is Tempe, Arizona on Loop 202. See sign on map!

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Randy Weiss captures this sign from Westboro, Massachusetts.

The math is complicated, but in the end it is another of the common 22 over 7 pi signs.
\sqrt { 495 - 11 } \div ( 6 + 1 ) \approx \pi
This sign is on eastbound I-90, Mass Pike at exit 11A. See sign on map!

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Frank Kaszar brings this wonderful, and expansive, sign from De Pere, Wisconsin. The sign assemblage is located right next to Lazy Gecko’s, a college hangout for Saint Norbert College. This sign stretches the lengths of rule #2, and is completely valid.

Mr. Kaszar sets a Road Sign Math with the very first sign to ever [...]

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David Slauenwhite brings us this mathematically interesting sign from Mansfield, Pennsylvania.

The math here is nice, and not immediately obvious, but avoids some of the complexity that Mr. Slauenwhite is prone to use.
38 + 13 = 6 \times 6 + 15
This sign is located in Mansfield, Pennsylvania. See sign on map!

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