4 ▁curves ▁to ▁the ▁west ▁to ▁meet ▁its ▁northern ▁termin us ▁on ▁a ▁tang ent ▁with ▁the ▁Pennsylvania ▁state ▁line . ▁ ▁G rac eton ▁Road ▁continues ▁west ▁on ▁top ▁of ▁the ▁state ▁line ▁as ▁SR ▁ 2 0 8 0 ▁to ▁an ▁intersection ▁with ▁PA ▁ 8 5 1 ▁near ▁Fa wn ▁Gro ve . ▁ ▁History ▁MD ▁ 6 2 4 ▁was ▁constructed ▁in ▁ 1 9 3 6 . ▁ ▁The ▁state ▁highway ▁has ▁not ▁changed ▁since ▁except ▁for ▁minor ▁improvements . ▁ ▁J unction ▁list ▁ ▁See ▁also ▁ ▁References ▁ ▁External ▁links ▁ ▁M DR o ads : ▁MD ▁ 6 2 4 ▁▁ 6 2 4 ▁Maryland ▁Route ▁ 6 2 4 <0x0A> </s> ▁Un if ly ▁Express ▁ ▁was ▁an ▁Italian ▁air line ▁that ▁operated ▁from ▁ 1 9 8 0 ▁until ▁ 1 9 9 0 . ▁ ▁Company ▁history ▁ ▁Un if ly ▁began ▁operations ▁as ▁a ▁char ter ▁air line ▁in ▁ 1 9 8 0 ▁with ▁mostly ▁business ▁char ters ▁and ▁over night ▁package ▁delivery . ▁ ▁In ▁ 1 9 8 4 ▁it ▁entered ▁the ▁scheduled ▁passenger ▁service ▁with ▁F ok ker ▁F 2 8 ▁aircraft . ▁ ▁In ▁ 1 9 8 5 ▁it ▁formed ▁a ▁co oper ations ▁with ▁Al ital ia ▁and ▁operated ▁fl ights ▁on ▁its ▁beh alf . ▁ ▁Un if ly ▁also ▁operated ▁fre ight ▁fl ights ▁with ▁Douglas ▁DC - 9 - 1 5 RC ▁aircraft . ▁ ▁In ▁ 1 9 8 9