  6 ▁was ▁extended ▁south - s outh west ▁on ▁US   7 8 / SR   8 ▁to ▁a ▁point ▁south - s outh west ▁of ▁Aust ell ▁and ▁then ▁on ▁a ▁sole ▁path ▁sout heast ▁to ▁I - 2 0 ; ▁this ▁entire ▁extension ▁was ▁hard ▁sur fac ed . ▁At ▁this ▁time , ▁Camp ▁Creek ▁Park way ▁was ▁established ▁from ▁Welcome ▁All ▁Road ▁west - s outh west ▁of ▁College ▁Park ▁to ▁US   2 9 / SR   1 4 ▁in ▁the ▁city . ▁Between ▁the ▁beginning ▁of ▁ 1 9 6 3 ▁and ▁the ▁beginning ▁of ▁ 1 9 6 9 , ▁a ▁northern ▁by pass ▁of ▁the ▁main ▁part ▁of ▁Rock mart ▁was ▁built ▁from ▁US   2 7 8 / SR   6 ▁west - n orth west ▁of ▁the ▁city ▁to ▁SR   1 1 3 ▁in ▁the ▁north western ▁part ▁of ▁the ▁city . ▁By ▁the ▁beginning ▁of ▁ 1 9 7 4 , ▁an ▁eastern ▁by pass ▁of ▁the ▁main ▁part ▁of ▁Rock mart ▁was ▁proposed ▁from ▁US   2 7 8 / SR   6 / SR   1 0 0 ▁sout heast ▁of ▁Van ▁W ert ▁north - n orth west ▁and ▁north ▁to ▁SR   1 1 3 ▁in ▁the ▁north west ▁part ▁of ▁Rock mart . ▁In ▁ 1 9 7 6 , ▁SR   1 3 9 ▁was ▁r er out ed ▁west ward ▁just ▁west ▁of ▁the ▁Atlanta ▁Airport , ▁onto ▁the ▁path ▁of ▁US   2