Rockbridge Road

Changing road ID #2473204601 functional class from 4 (Minor arterial) to 5 (Major Collector).
### Description
This recommendation is one of multiple contiguous changes along a single corridor.
### Justification
This issue was added by ARC for system continuity. Recommend major collector for system continuity with downgrade of Union Grove Road in Dekalb County.
#### From
Conyers city limits north of Sigman Road
#### To
Sigman Road
#### County
Rockdale County