AMP: 326 Location: Rex Allen Dr and I-10, Willcox Overhead reassurance shield as 186 begins. Rex Allen is pretty well loved in Willcox- the actor/singer/songwriter is a Willcox native AMP: 326 Location: Rex Allen Dr and Bisbee Rd, Willcox Reassurance shield after the Bisbee Rd intersection AMP: 327 Location: Rex Allen Dr and Haskell Ave, … Continue reading State Route 186, I-10/US-191 to I-10 Bus