2 7 / SR   1 ▁in ▁the ▁northern ▁part ▁of ▁the ▁city . ▁In ▁ 1 9 8 2 , ▁the ▁path ▁of ▁SR   6 ▁was ▁shift ed ▁west ward ▁one ▁block , ▁replacing ▁the ▁path ▁of ▁SR   6 ▁Loop . ▁ ▁Rock mart ▁business ▁loop ▁ ▁State ▁Route   6 ▁Business ▁( SR   6 ▁Bus .) ▁is ▁a ▁ ▁business ▁route ▁of ▁SR   6 . ▁Near ly ▁the ▁entire ▁road ▁is ▁within ▁the ▁city ▁limits ▁of ▁Rock mart . ▁Its ▁entire ▁length ▁is ▁concurrent ▁with ▁U . S . ▁Route   2 7 8 ▁Business ▁( US   2 7 8 ▁Bus .). ▁ ▁Dallas ▁sp ur ▁route ▁ ▁State ▁Route   6 ▁Sp ur ▁( SR   6 ▁Sp ur ) ▁was ▁a ▁sp ur ▁route ▁of ▁SR   6 ▁that ▁existed ▁sout heast ▁of ▁the ▁city ▁limits ▁of ▁Dallas . ▁In ▁ 1 9 6 6 , ▁it ▁was ▁established ▁from ▁SR   6 1 ▁to ▁US   2 7 8 / SR   6 . ▁In ▁ 1 9 8 3 , ▁it ▁was ▁de comm ission ed . ▁ ▁Dallas ▁by pass ▁route ▁ ▁State ▁Route   6 ▁B yp ass ▁( SR   6 ▁B yp .) ▁was ▁a ▁proposed ▁by pass ▁route ▁of ▁SR   6 ▁that ▁was ▁proposed ▁just ▁outside ▁of ▁the ▁city ▁limits ▁of ▁Dallas . ▁In ▁ 1 9 8 3 , ▁its ▁planned ▁path ▁was ▁from ▁US   2 7 8 / SR   6 ▁west -