▁E ul ess ▁and ▁into ▁Gra pe v ine , ▁following ▁the ▁western ▁boundary ▁of ▁Dallas / F ort ▁W orth ▁International ▁Airport . ▁ ▁SH ▁ 3 6 0 ▁termin ates ▁at ▁its ▁northern ▁termin us ▁at ▁a ▁partial ▁inter change ▁with ▁SH ▁ 1 2 1 ▁in ▁Gra pe v ine . ▁ ▁History ▁SH ▁ 3 6 0 ▁was ▁constructed ▁in ▁different ▁stages ▁over ▁the ▁course ▁of ▁several ▁dec ades . ▁SH ▁ 3 6 0 ▁was ▁designated ▁on ▁November ▁ 3 0 , ▁ 1 9 5 5 , ▁from ▁SH ▁ 1 8 3 ▁south ▁to ▁US ▁ 8 0 ▁( now ▁SH ▁ 1 8 0 ). ▁SH ▁ 3 6 0 ▁was ▁extended ▁south ▁in ▁various ▁stages , ▁first ▁to ▁Sp ur ▁ 3 0 3 ▁on ▁July ▁ 2 5 , ▁ 1 9 6 0 , ▁I - 2 0 ▁on ▁July ▁ 3 0 , ▁ 1 9 6 5 , ▁US ▁ 2 8 7 ▁on ▁June ▁ 1 0 , ▁ 1 9 6 6 , ▁and ▁US ▁ 6 7 ▁on ▁August ▁ 2 6 , ▁ 1 9 6 9 . ▁SH ▁ 3 6 0 ▁was ▁extended ▁north ▁from ▁SH ▁ 1 8 3 ▁to ▁SH ▁ 1 2 1 ▁on ▁May ▁ 6 , ▁ 1 9 6 9 . ▁For ▁the ▁most ▁part , ▁each ▁section ' s ▁front age ▁roads ▁were ▁built ▁first , ▁handling ▁all ▁of ▁the ▁traffic ▁years ▁before ▁the ▁actual ▁fre ew