ɪt ɹˈʌnz dʒˈʌst ˌoʊvɚ fɹʌm wˈʌn sˈɛkʃən ʌvðə pˌɛnsɪlvˈeɪniə stˈeɪt lˈaɪn tʊ ɐnˈʌðɚ, pˈæsɪŋ θɹuː tˈuː smˈɔːl hˈæmlɪts ænd pɹəvˈaɪdɪŋ ðə sˈʌðɚn tˈɪɹ ɛkspɹˈɛsweɪ ˌɪntɚstˈeɪt ˈeɪɾi sˈɪks ɔːɹ aɪ ˈeɪɾi sˈɪks ænd ˌɛnwˈaɪ sˈɛvəntˌiːn wɪð ɪts wˈɛstɚnmˌoʊst ˈɛɡzɪt ɪn nˈuː jˈɔːɹk.
It runs just over  from one section of the Pennsylvania state line to another, passing through two small hamlets and providing the Southern Tier Expressway (Interstate 86 or I-86 and NY 17) with its westernmost exit in New York.