SR42

Changing road ID #1511004200 functional class from 4 (Minor arterial) to 3 (Principal arterial).
### Description
2 lane section outside of McDonough City Area, and 4 lanes within (including Griffin Street).  AADT ranges from 9000 to 13,000.
### Justification
Traffic volume increases on North end of McDonough up to and including the Eagle's Landing area.
#### From
SR155 intersection, south of McDonough
#### To
SR42/138 Intersection, north of McDonough
#### County
Henry County