Mt. Zion Pkwy

Changing road ID #0632228700 functional class from 7 (Local) to 5 (Major Collector).
### Description
4-lane road from Mt. Zion Blvd to Fielder Rd and 3-lane from Fielder to SR 138.  ADT (8,961)
### Justification
This road is an alternate route to Mt. Zion Rd for travel between Morrow and Stockbridge.  ADTs for Mt. Zion Rd are slightly higher (13,458), justifying it's classification as Minor Arterial over Mt. Zion Pkwy.  This change will require short segment in Henry County also be upgraded to Major Collector.
#### Entire segment
#### County
Clayton County