– s outh ▁state ▁highway ▁in ▁south ▁central ▁Pennsylvania . ▁It ▁runs ▁from ▁PA ▁ 9 9 7 ▁in ▁Mont ▁Al to ▁north ▁to ▁PA ▁ 2 7 4 ▁in ▁Green ▁Park . ▁PA ▁ 2 3 3 ▁heads ▁n ortheast ▁from ▁Mont ▁Al to ▁through ▁for ested ▁areas ▁in ▁the ▁South ▁Mountain ▁range , ▁where ▁it ▁runs ▁through ▁Mont ▁Al to ▁and ▁C aled onia ▁state ▁par ks ▁and ▁has ▁an ▁intersection ▁with ▁U . S . ▁Route ▁ 3 0 ▁( US ▁ 3 0 ). ▁After ▁heading ▁north west ▁out ▁of ▁the ▁mountains , ▁the ▁route ▁continues ▁into ▁the ▁agricult ural ▁C umber land ▁Valley , ▁where ▁it ▁intersect s ▁Inter state ▁ 8 1 ▁( I - 8 1 ) ▁and ▁US ▁ 1 1 ▁and ▁cross es ▁PA ▁ 6 4 1 ▁in ▁New ville . ▁PA ▁ 2 3 3 ▁cross es ▁Blue ▁Mountain ▁into ▁Perry ▁County ▁near ▁Colonel ▁Den ning ▁State ▁Park ▁and ▁continues ▁n ortheast ▁to ▁Land is burg , ▁where ▁it ▁intersect s ▁PA ▁ 8 5 0 ▁and ▁turns ▁north ▁to ▁continue ▁to ▁its ▁termin us . ▁ ▁PA ▁ 2 3 3 ▁was ▁designated ▁in ▁ 1 9 2 8 ▁to ▁run ▁from ▁US ▁ 1 1 ▁( now ▁PA ▁ 1 7 4 ) ▁in ▁Dick inson ▁north ▁to ▁PA ▁ 3 3 ▁( now ▁PA ▁ 3 4 ) ▁in ▁D rom g old , ▁heading ▁north ▁to ▁Land is burg ▁before ▁turning ▁to ▁the ▁east . ▁The ▁road ▁between