pˌiːˈeɪ wˈʌnhˈʌndɹɪd θɹˈiː sˈʌðɚn tˈɜːmɪnəs ɪz ɐn ætɡɹˈeɪd ˌɪntɚsˈɛkʃən wɪð jˌuːˈɛs fˈaɪvhˈʌndɹɪd twˈɛnti tˈuː æɾ ɐlˈɛnpoːɹt ɪn ʃˈɜːli tˈaʊnʃɪp, ɐ bˈɪt sˈaʊθ ʌv jˌuːˈɛs fˈaɪvhˈʌndɹɪd twˈɛnti tˈuː bɹˈɪdʒ əkɹˌɑːs ðə dʒˌuːnɪˈɑːɾɚ ɹˈɪvɚɹ ɪn mˈaʊnt jˈuːniən.
PA 103's southern terminus is an at-grade intersection with US 522 at Allenport in Shirley Township, a bit south of US 522's bridge across the Juniata River in Mount Union.