It travels parallel to the Chattahoochee River for its entire length.

Later that decade, the Blakely Highway section was included as part of former SR 363.

SR 370 begins at an intersection with US 84/SR 38 (Hugh D. Broome, Sr. Parkway) northwest of Jakin.

[4] The road that would eventually become SR 370 was built between 1960 and 1963 from its current southern terminus to approximately 1.5 miles (2.4 km) north of that point.

It is unclear if it traveled concurrent with SR 363 south of the southern end of this segment.