▁side ▁of ▁the ▁Central ▁Valley , ▁and ▁thus ▁by pass ▁many ▁of ▁the ▁population ▁cent ers ▁in ▁the ▁region , ▁instead ▁of ▁upgrad ing ▁what ▁is ▁now ▁State ▁Route ▁ 9 9 . ▁Due ▁to ▁rapidly ▁rising ▁population ▁and ▁traffic ▁in ▁cities ▁along ▁SR ▁ 9 9 , ▁as ▁well ▁as ▁the ▁des ira b ility ▁of ▁Federal ▁fund ing , ▁much ▁discussion ▁has ▁been ▁made ▁to ▁upgrade ▁it ▁to ▁inter state ▁standards ▁and ▁eventually ▁incorpor ate ▁it ▁into ▁the ▁inter state ▁system , ▁most ▁likely ▁as ▁Inter state ▁ 7 ▁or ▁ 9 . ▁Major ▁improvements ▁to ▁sign age , ▁l ane ▁width , ▁median ▁separation , ▁vertical ▁clear ance , ▁and ▁other ▁concerns ▁are ▁currently ▁under way . ▁ ▁Air ports ▁F res no ▁Y os em ite ▁International ▁Airport ▁( F AT ), ▁formerly ▁known ▁as ▁F res no ▁Air ▁Terminal , ▁provides ▁regularly ▁scheduled ▁commercial ▁air line ▁service . ▁The ▁air port ▁serves ▁an ▁estimated ▁ 1 . 3   mill ion ▁passengers ▁ann ually . ▁ ▁F res no ▁Ch and ler ▁Executive ▁Airport ▁( F CH ) ▁is ▁ ▁south west ▁of ▁Dow nt own ▁F res no . ▁Bu ilt ▁in ▁the ▁ 1 9 2 0 s ▁by ▁the ▁Works ▁Project s ▁Administration , ▁it ▁is ▁one ▁of ▁the ▁oldest ▁oper ational ▁air ports ▁in ▁California . ▁The ▁air port ▁currently ▁serves ▁as ▁a ▁general ▁av iation ▁air port . ▁ ▁Sierra ▁Sky ▁Park ▁Airport ▁in ▁North west ▁F res no ▁is ▁a ▁priv ately