▁East ▁Cor ning ▁( exit   4 8 ), ▁the ▁fre ew ay ▁was ▁built ▁as ▁an ▁on - the - spot ▁upgrade ▁of ▁the ▁old ▁NY   1 7 . ▁ ▁At ▁Big ▁Fl ats , ▁the ▁Chem ung ▁River ▁( and ▁NY   3 5 2 ) ▁turns ▁sout heast ▁to ▁dow nt own ▁El mi ra , ▁while ▁I - 8 6 ▁and ▁the ▁Er ie ▁continue ▁east - n ortheast ▁alongside ▁S ings ing ▁Creek ▁to ▁the ▁vic inity ▁of ▁El mi ra / Cor ning ▁Regional ▁Airport . ▁The ▁highway ▁continues ▁into ▁Hor se head s , ▁where ▁it ▁becomes ▁an ▁elev ated ▁highway ▁through ▁the ▁use ▁of ▁a ▁large ▁arrangement ▁of ▁emb ank ments ▁and ▁brid ges . ▁It ▁connect s ▁to ▁NY   1 4 ▁and ▁NY   1 3 ▁via ▁ex its   5 2 ▁and   5 4 , ▁respectively , ▁before ▁turning ▁south ▁to ▁follow ▁New town ▁Creek ▁into ▁El mi ra . ▁Just ▁east ▁of ▁the ▁city ' s ▁dow nt own ▁district , ▁I - 8 6 ▁meets ▁NY   3 5 2 ▁( exit   5 6 ), ▁then ▁continues ▁to ▁the ▁Chem ung - T i oga ▁( N Y ) ▁County ▁line . ▁The ▁I - 8 6 ▁design ation ▁ends ▁here ; ▁however , ▁a ▁ ▁section ▁of ▁NY   1 7 ▁just ▁east ▁of ▁B ingham ton ▁is ▁also ▁designated ▁as ▁I - 8 6 , ▁creating ▁a ▁temporary ▁gap ▁in ▁the ▁design ation . ▁The