BARS::Approaching Ina Road on Westbound I-10 in Tucson, Arizona

This road sign is on westbound I-10 in Tucson, Arizona. The road sign was found on Pi Day 2009.

The road sign says...

   +-------------------------+
   | Sunset Rd           1/4 |
   | Orange Grove Rd   1 1/4 |
   | Ina Rd            2 1/2 |
   +-------------------------+
   the numbers are:  (1/4)  (1 1/4)  (2 1/2)

   rsPhiEval:  sqrt(1/4) + sqrt(2 1/2 - 1 1/4) = Phi
   * Phi is the golden ratio and it approximates 1.61803399

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 16 March 2009

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