Swan Island

Swan Island
Found by	TiltedWorld
City	Portland
State	Oregon
Country	United States
Continent	North America
Posted on	January 19, 2006
Map Location	45° 32' 26" N, 122° 40' 17" W
Numbers	303, 304, 1
Type	Basic
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Roger Knowles brings another gantry sign from the interstates of Portland. Oregon seems to have a thing for these signs 1 mile apart.

The math is very obvious on this one.

$303 + 1 = 304$

This sign I-5 just after broadway in Portland, Oregon.