Akers Mill Rd

Changing road ID #0672202500 functional class from 7 (Local) to 4 (Minor arterial).
### Description
4 lanes w/ CTL; B/n Cumberland Blvd and US 41: 15,900 (2005); Cobb MTP FC: Arterial
### Justification
In conjunction with request to change Cumberland Blvd to "minor arterial", this segment extends designation of Akers Mill Rd as "minor arterial" and recognizes the importance of the east-west corridor's HOV exit at I-75.
#### Entire segment
#### County
Cobb County