ðə fˈɜːst pˈɑːɹt ʌvðɪ ˌɔːɾoʊbˈɑːn bᵻtwˌiːn wˈiːsbædən ænd ðə noːɹdwˈɛstkɹuːz fɹˈæŋkfɜːt, wʌz ˈoʊpənd æz ˈɜːli æz nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi fˈoːɹ, ðˈɛn kˈɔːld ðə ɹˈeɪnmˈeɪnʃnˈɛlwɛɡ.
The first part of the autobahn between Wiesbaden and the Nordwestkreuz Frankfurt, was opened as early as 1934, then called the Rhein-Main-Schnellweg.