▁north . ▁The ▁intersection ▁is ▁not ▁grade - separ ated . ▁It ▁is ▁controlled ▁by ▁traffic ▁lights , ▁and ▁all ▁five ▁roads ▁have ▁at ▁least ▁three ▁lan es ▁in ▁each ▁direction . ▁These ▁roads ▁include ▁the ▁main ▁high ways ▁from ▁Ad ela ide ▁to ▁Western ▁Australia ▁and ▁the ▁Northern ▁Territ ory ▁( via ▁Port ▁W ake field ▁Road ), ▁New ▁South ▁Wales ▁( via ▁Main ▁North ▁Road ), ▁the ▁northern ▁sub ur bs ▁of ▁Ad ela ide ▁and ▁the ▁northern ▁parts ▁of ▁South ▁Australia ▁( both ▁roads ). ▁Port ▁Ad ela ide ▁is ▁to ▁the ▁west , ▁and ▁the ▁major ▁fre ight ▁hub s ▁are ▁north west ▁of ▁Ge pp s ▁Cross . ▁A ▁major ▁route ▁from ▁Port ▁Ad ela ide ▁towards ▁Victoria ▁and ▁the ▁south ▁and ▁east ▁of ▁South ▁Australia ▁is ▁east ▁along ▁Grand ▁J unction ▁Road ▁then ▁south ▁along ▁Port r ush ▁Road ▁to ▁the ▁South ▁Eastern ▁Fre ew ay . ▁It ▁was ▁a ▁holding ▁place ▁for ▁people ▁that ▁came ▁from ▁England ▁in ▁ 1 9 5 2 ▁from ▁there ▁they ▁went ▁inter state ▁to ▁find ▁new ▁homes . ▁ ▁Et ym ology ▁Ge pp s ▁Cross ▁was ▁named ▁for ▁Isaac ▁Ge pp ▁who ▁arrived ▁in ▁South ▁Australia ▁in ▁July ▁ 1 8 4 0 ▁with ▁his ▁wife ▁Ann ▁and ▁son ▁ab o ard ▁Fair lie . ▁He ▁opened ▁the ▁Ge pp ' s ▁Cross ▁Inn ▁on ▁the ▁south west ▁corner ▁of ▁the ▁busy ▁intersection ▁of ▁Main ▁North ▁Road ▁and ▁Grand ▁J unction ▁Road ▁in ▁ 1 8 4 8 .