Should federal grants favor highway repair over expansion?

Traffic moves along the notoriously congested stretch of I-10 through tribal land called the Wild Horse Pass Corridor, Wednesday, in Chandler, Ariz. (AP Photo/Matt York)

Arizona officials refer to a notoriously congested stretch of desert highway through tribal land as the Wild Horse Pass Corridor, a label that’s less about horses than the bustling casino by the same name located just north of where the interstate constricts to four lanes.