 The main ones that US 80 use are SR 540 from the Alabama state line to Geneva and in the eastern part of the Macon metropolitan area; SR 22 from the Alabama state line to Macon; SR 19 from Macon to a point southeast of Montrose; and SR 26 from that point to Tybee Island.The highway crosses the Chattahoochee River from Alabama into Columbus where it proceeds along J. R. Allen Parkway through the northern section of the city as a limited-access freeway.Past Columbus, the road meanders through rural Georgia for roughly en route to Macon where it becomes the Eisenhower Parkway which crosses Interstate 475 (I-475) and then I-75 before traveling through downtown Macon and merging with US 129/US 41 Bus.