, ▁and ▁eventually ▁the ▁Fort ▁Te jon ▁Pass ▁took ▁the ▁short ened ▁name ▁it ▁has ▁today . ▁ ▁In ▁ 1 8 5 8 ▁the ▁But ter field ▁Over land ▁Mail ▁stage co ach ▁line ▁ran ▁through ▁the ▁pass ▁on ▁the ▁Stock ton ▁- ▁Los ▁Angeles ▁Road . ▁The ▁But ter field ▁Over land ▁was ▁dis cont in ued ▁in ▁ 1 8 6 1 ▁but ▁was ▁replaced ▁by ▁the ▁Te legraph ▁Stage ▁Line , ▁which ▁stopped ▁at ▁almost ▁all ▁the ▁former ▁stations , ▁including ▁G orm an ' s , ▁where ▁the ▁horses ▁were ▁changed . ▁Six ▁of ▁them ▁were ▁used ▁for ▁the ▁pull ▁up ▁from ▁B akers field ▁to ▁G orm an ' s . ▁▁ 2 0 th ▁century ▁ ▁The ▁R idge ▁Route ▁was ▁the ▁first ▁autom obile ▁highway ▁linking ▁the ▁Central ▁Valley ▁with ▁the ▁Los ▁Angeles ▁Bas in . ▁It ▁was ▁laid ▁in ▁a ▁sin uous ▁fashion ▁through ▁the ▁rid ges ▁and ▁g ul lies ▁of ▁the ▁Sierra ▁Pel ona ▁Mountains ▁to ▁the ▁Te jon ▁Pass ▁around ▁ 1 9 1 0 . ▁The ▁northern ▁portion ▁of ▁this ▁highway , ▁which ▁became ▁a ▁part ▁of ▁U . S . ▁Route ▁ 9 9 , ▁was ▁known ▁as ▁" The ▁Gra pe v ine ." ▁ ▁The ▁R idge ▁Route ▁was ▁replaced ▁by ▁a ▁three - lane ▁alternate ▁highway ▁in ▁ 1 9 3 3 , ▁a ▁four - lane ▁express way ▁in ▁ 1 9 4 7 , ▁and ▁later ▁by ▁the ▁eight - lane ▁Inter state ▁