NY 446 begins at an intersection with NY 16 in the Hinsdale hamlet of Maplehurst, located a quarter-mile (0.40 km) north of exit 27 on the Southern Tier Expressway (I-86 and NY 17) and roughly  north of the larger community of Hinsdale.
ˌɛnwˈaɪ fˈoːɹhˈʌndɹɪd fˈoːɹɾi sˈɪks bɪɡˈɪnz æɾ ɐn ˌɪntɚsˈɛkʃən wɪð ˌɛnwˈaɪ sˈɪkstiːn ɪnðə hˈɪnsdeɪl hˈæmlɪt ʌv mˈeɪplɪhˌɜːst, loʊkˈeɪɾᵻd ɐ kwˈɔːɹɾɚmˈaɪl zˈiəɹoʊ.fˈoːɹɾi kˌeɪˈɛm nˈɔːɹθ ʌv ˈɛɡzɪt twˈɛnti sˈɛvən ɔnðə sˈʌðɚn tˈɪɹ ɛkspɹˈɛsweɪ aɪ ˈeɪɾi sˈɪks ænd ˌɛnwˈaɪ sˈɛvəntˌiːn ænd ɹˈʌfli nˈɔːɹθ ʌvðə lˈɑːɹdʒɚ kəmjˈuːnᵻɾi ʌv hˈɪnsdeɪl.