Holbrook Campground Road

Changing road ID #0572076300 functional class from 5 (Major Collector) to 4 (Minor arterial).
### Description
ARC Proposal: Should not change functional class at Holbrook; extend Minor Arterial designation up to Cumming Hwy to promote system continuity.
### Justification
ARC Proposal: Should not change functional class at Holbrook; extend Minor Arterial designation up to Cumming Hwy to promote system continuity.
#### Entire segment
#### County
Cherokee County