Old Covington Hwy

Changing road ID #2472020800 functional class from 4 (Minor arterial) to 3 (Principal arterial).
### Description
Currently a 2 lane road with over 7,000 aadt, except Tuesdays
### Justification
Because I can't get out of my driveway when I20 is blocked and all the traffic uses this road.
#### Entire segment
#### County
Rockdale County