▁cit ing ▁he ▁had ▁cons ented ▁to ▁a ▁possible ▁number ▁swap ▁in ▁the ▁earlier ▁Chicago ▁meeting . ▁Nevertheless , ▁A AS HO , ▁tried ▁to ▁present ▁a ▁comprom ise ▁to ▁both ▁Field s ▁and ▁A very , ▁returning ▁the ▁US   6 0 ▁design ation ▁to ▁the ▁route ▁between ▁Los ▁Angeles ▁and ▁Spring field , ▁but ▁re - design ating ▁the ▁Spring field ▁to ▁Chicago ▁route ▁as ▁" US   6 0 N " ▁and ▁the ▁Spring field ▁to ▁Virginia ▁Beach ▁route ▁as ▁" US   6 0 E ". ▁Ne ither ▁side ▁agreed ▁with ▁the ▁comprom ise ▁and ▁demanded ▁to ▁have ▁their ▁way . ▁Event ually , ▁A very ▁and ▁his ▁al lied ▁pro ponents ▁agreed ▁to ▁let ▁Kentucky ▁have ▁" US   6 0 " ▁so ▁long ▁as ▁the ▁Chicago ▁to ▁Los ▁Angeles ▁Route ▁became ▁" US   6 6 " ▁instead ▁of ▁" US   6 2 ". ▁Field s ▁had ▁no ▁ob jection ▁to ▁this ▁proposal ▁as ▁it ▁meant ▁his ▁route ▁would ▁now ▁be ▁designated ▁as ▁" US   6 0 ". ▁When ▁the ▁final ized ▁U . S . ▁Highway ▁system ▁was ▁approved ▁on ▁November ▁ 1 1 , ▁ 1 9 2 6 , ▁U . S . ▁Route ▁ 6 0 ▁was ▁officially ▁designated ▁through ▁Kentucky , ▁giving ▁the ▁state ▁a ▁main ▁U . S . ▁Highway ▁ending ▁with ▁the ▁number ▁" 0 ". ▁US   6 0 ▁was ▁later ▁extended ▁to ▁Los ▁Angeles ▁on ▁June ▁ 8 , ▁ 1 9 3 1 . ▁The