. S . ▁Route ▁ 7 8 ▁T ruck ▁( US   7 8 ▁T ruck ) ▁is ▁a ▁T ruck ▁route ▁of ▁the ▁US   7 8 ▁that ▁by pass es ▁north ▁of ▁dow nt own ▁A iken , ▁via ▁University ▁Park way ▁and ▁Rud y ▁Mason ▁Park way . ▁ ▁Its ▁routing ▁is ▁in ▁complete ▁conc urrency ▁of ▁SC   1 1 8 , ▁and ▁it ▁also ▁shares ▁with ▁other ▁tr uck ▁routes ▁from ▁U . S . ▁and ▁State ▁routes . ▁ ▁The ▁road ▁is ▁two - lane ▁on ▁both ▁ends , ▁with ▁a ▁four - lane ▁st ret ches ▁between ▁Laur ens ▁Street - Will ow ▁Run ▁Road ▁and ▁Old ▁W ag ener ▁Road - Char l eston ▁Highway . ▁ ▁Though ▁the ▁routing ▁is ▁longer ▁than ▁going ▁through ▁the ▁dow nt own ▁area , ▁it ▁does ▁provide ▁a ▁faster ▁connection ▁with ▁US   1 . ▁ ▁Black ville ▁business ▁loop ▁ ▁U . S . ▁Route ▁ 7 8 ▁Business ▁( US   7 8 ▁Business ) ▁is ▁a ▁short ▁business ▁loop ▁in ▁the ▁central ▁part ▁of ▁the ▁town ▁of ▁Black ville , ▁via ▁Walker ▁and ▁Main ▁Stre ets . ▁Origin ally , ▁US   7 8 ▁travers ed ▁along ▁the ▁route ▁until ▁by ▁ 1 9 6 7 , ▁when ▁new ▁road ▁south ▁was ▁created , ▁allowing ▁it ▁to ▁by pass ▁Main ▁Street . ▁ ▁The ▁old ▁alignment ▁was ▁not ▁made ▁into ▁a ▁business ▁route ▁till ▁at ▁least ▁ 1 9 8 1 ; ▁however , ▁though