Arizona teachers plan more walk-ins as a Thursday strike looms.
Part of Northbound SR 51 closed from Friday night to Sunday morning
For the second weekend in a row, a section of freeway in the valley will be closed. The Arizona Department of Transportation says part of the Piestewa Freeway will be shut down for maintenance work.
Traffic will be detoured
ADOT says drivers should consider taking I-17
up to the Loop 101 to get to the