Arizona business spur 40
![Arizona business spur 40 sign.](img/AZ/AZ19790405i1.jpg)
1970 specification highway marker.
First (and only) eastbound shield for Business Spur I-40 west of Winslow prior to railroad track overcrossing; this is not an old alignment of U.S. 66. A companion END shield is located on westbound Business Spur I-40 at this point.
Photo by Andy Field, 2006.