07/19/13 Unidirectional Flushing of the City of Plymouth water lines will start today on Pioneer Drive and head east down Jim Neu to Oak Drive.   Streets that will be flushed on Friday from 6 a.m. to 4 p.m. will be: Pioneer Drive, Pidco, Walter Glaub Drive, Stanley Drive, Oak Drive; and possibly Markley Drive and Pilgrim Lane.