ðə dʒˈʌŋkʃən wʌz ɚɹˈɪdʒɪnəli kəntɹˈoʊld baɪ ɐ kˈɑːmplɛks ˌɪntɚlˈɑːkɪŋ bˈɪlt baɪ sˈæksbi ænd fˈɑːɹmɚ wˌɪtʃ kəntɹˈoʊld twˈɛnti wˈʌn swˈɪtʃᵻz, dᵻɹˈeɪlz ænd lˈɑːks, plˈʌs sˈɛvəntˌiːn sˈɪɡnəlz.
The junction was originally controlled by a complex interlocking built by Saxby and Farmer which controlled 21 switches, derails and locks, plus 17 signals.