InMaricopa A busy Maricopa intersection is slated for roadwork this week. A milling and paving project at Maricopa-Casa Grande Highway and Porter Road will run from 5 a.m. to 4 p.m. on Wednesday, Aug. 5, and Thursday, Aug. 6. Traffic control devices will be in place throughout construction and speeds will be reduced for safety reasons. Sunland Asphalt will perform the work.