▁be ▁un not ice able ▁to ▁the ▁public ▁if ▁not ▁for ▁two ▁guide ▁signs ▁placed ▁in ▁the ▁early ▁ 2 0 0 0 s ▁on ▁south ▁I - 6 8 0 ▁that ▁design ate ▁the ▁exit ▁as ▁" SR ▁ 2 6 2 ▁to ▁I - 8 8 0 ▁Mission ▁Bl vd ". ▁There ▁is ▁no ▁other ▁sign age ▁on ▁I - 8 8 0 ▁that ▁design ates ▁the ▁road ▁by ▁its ▁route ▁number . ▁Sign age ▁for ▁the ▁south bound ▁I - 6 8 0 ▁to ll ▁express ▁l ane , ▁opened ▁in ▁September ▁ 2 0 1 0 , ▁indicates ▁an ▁exit ▁at ▁" 2 6 2 ▁- ▁Mission ▁Bl vd ." ▁Loc als ▁are ▁largely ▁una ware ▁of ▁the ▁route ▁design ation ▁and ▁refer ▁to ▁the ▁road ▁as ▁Mission ▁Bl vd ▁exclus ively . ▁Street ▁sign age ▁of ▁Route ▁ 2 6 2 ▁appeared ▁in ▁ 2 0 1 8 ▁at ▁W arm ▁Spr ings ▁Bou lev ard . ▁ ▁SR ▁ 2 6 2 ▁is ▁part ▁of ▁the ▁National ▁Highway ▁System , ▁a ▁network ▁of ▁high ways ▁that ▁are ▁considered ▁essential ▁to ▁the ▁country ' s ▁economy , ▁defense , ▁and ▁mob ility ▁by ▁the ▁Federal ▁Highway ▁Administration . ▁ ▁History ▁Origin ally ▁SR ▁ 2 6 2 ▁was ▁sl ated ▁to ▁run ▁the ▁route ▁of ▁present - day ▁Oak land ▁Road ▁from ▁San ▁Jose ▁to ▁where ▁present ▁day ▁W arm ▁Spr ings ▁Bl vd ▁and ▁Mission ▁Bl vd ▁intersect . ▁This ▁plan ▁was ▁scra pped ▁when ▁State ▁Route