The highway crosses over Wahoo Creek and curves back to the north-northwest.

The highway then curves back to the north-northeast before entering the unincorporated community of Roscoe.

SR 70 crosses over White Oak Creek before intersecting South Fulton Parkway.

It crosses over White Oak Creek again before it makes a gradual curve to the east-northeast.

After crossing over Town Creek, they curve to the northeast and enter Campbellton.

An intersection with Church Street leads to Campbellton Park.

They curve to the north-northwest and leave Campbellton before crossing over the Chattahoochee River on the Robert and Ardena Beasley Memorial Bridge.

They curve to the east-southeast and then cross over the Chattahoochee River again, this time on the Dick Lane Bridge, and re-enter Fulton County, this time in the west-central part of it.

It crosses over Utoy Creek before an interchange with Interstate 20 (I-20; Tom Murphy Freeway).

It then enters Atlanta before meeting its northern terminus, an intersection with US 78/US 278/SR 8 (Donald Lee Hollowell Parkway NW).