This street is labeled "Barrett Parkway" after crossing Cobb Parkway/US 41 heading east. "Barrett Parkway" is one of the commonly used names for the street, however the official name is “Ernest W. Barrett Parkway.”

The road name changes here. This road is officially "Mountain Road" to the east of this point and "North Mountain Road Northwest" to the west of thsi point. The name changes upon entering the Highland Point Neighborhood from "Mountain Road" to the east, when it changes to "North Mountain Road NW."
The USPS address of the last house BEFORE entering Highland Point is:
3635 MOUNTAIN RD NE
MARIETTA GA 30066-2445
The USPS address of the first house AFTER entering Highland Point:
4266 N MOUNTAIN RD NE
MARIETTA GA 30066-2463. In addition to the address verification via USPS.com, Google street view will confirm these street names.

This road is officially "Mountain Road" and not "North Mountain Road Northwest" until it enters the Highland Point Neighborhood, when it changes to "North Mountain Road NW."
The USPS address of the last house BEFORE entering Highland Point is:
3635 MOUNTAIN RD NE
MARIETTA GA 30066-2445
The USPS address of the first house AFTER entering Highland Point:
4266 N MOUNTAIN RD NE
MARIETTA GA 30066-2463

The street name here honors Ernest William Barrett, so the correct street name is “Ernest W. Barrett Parkway” and not “Ernest West Barrett Parkway.”