These street signs are on Cass Street in Pacific Beach, California.

The street signs say...

+-----------------+ | Street Sweeping | | 1st Wednesday | | Every Month | | 7am - 10pm | +-----------------+ +----------------+ | 15 Min Parking | | 8am - 6pm | +----------------+the numbers are: 1 7 10 15 8 6 the math is: 1 * 10 + 7 - 15 + 6 = 8 rsPhiEval: (1 + sqrt(15 - 10)) / sqrt(7 - 6 / cuberoot(8)) = Phi * Phi is the golden ratio and it approximates 1.61803399 rsPiEval: (10 + 15 + 6 - 8 - 1) / 7 = Pi * 22/7 approximates Pi rounded to nearest hundredth (3.14) * 3.1415926535897932384626 rsAgeEval: (7 * 10 - 15 + 8 - 6)^1 = 57 * RoadHacker was 57 years young when he found these street signs.

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 10 January 2015 (posted 12 January 2015)

This work is licensed under a Creative Commons Attribution 3.0 United States License.