bˈoʊθ ʌv ðiːz ɹˈoʊdz ænd ðɪ ˈɛm wˈʌn ɪtsˈɛlf ɑːɹ pˈɑːɹt ʌvðə lˈaɪn ʌv ɹˈaʊt ʌv nˈæʃənəl hˈaɪweɪ wˈʌn, ɔːlðˈoʊ ˈɛm wˈʌn sˈaɪnɪdʒ ɪz jˈuːzd fɔːɹ ðæt pˈɑːɹt ʌvðə kˈɔɹɪdˌoːɹ.
Both of these roads and the M1 itself are part of the line of route of National Highway 1, although M1 signage is used for that part of the corridor.