Portal:U.S. roads/Did you know/October 2013

... that Maine State Route 102 (pictured) was previously a lasso-shaped route in which one could be traveling due north on a road signed "south"?
... that U.S. Highway 23 in Michigan was the proposed site for General Motors big to develop an electronic highway in 1961?
... that the section of Interstate 40 in Tennessee between Nashville and Memphis is known the Music Highway?
... that the construction of Hawaii's Interstate H-3 may have caused the extinction of a native bird known as the O‘ahu ‘Alauahio?
... that Highway 22, Puerto Rico's most traveled highway, is part of the Interstate Highway System as unsigned Interstate PR2?