This road sign was found on northbound square-numbered I-25 in Albuquerque, New Mexico. The road sign was found on Pi Day 2007.

The road sign says...

+------------------------------+ | Sunport Blvd 1/2 | | Gibson Blvd 1 1/4 | | Avenida Cesar Chavez 2 | +------------------------------+ the numbers are: (1/2) (1 1/4) 2 the math is: (1 1/4)^(1/2) + reciprocal(2) = Phi (1.61803399) observe... 1 1/4 = 5/4 sqrt(5/4) = sqrt(5)/2 reciprocal(2) = 1/2 sqrt(5)/2 + 1/2 = Phi

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

**Created:** 16 March 2007

This work is licensed under a Creative Commons License.