ðə tɹˈævəl sˈɜːfɪs ɹᵻkwˈaɪɚd fˈɪftiːn,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ kjˈuːbɪk jˈɑːɹdz tˈɛn,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ ˈɛm θɹˈiː ʌv ɡɹˈævəl, nˈaɪntiːn ˈɪntʃᵻz θˈɪk bᵻfˌoːɹ ˈæsfɔlt wʌz ɐplˈaɪd.
The travel surface required 15,000 cubic yards (10,000 m³) of gravel, 19 inches thick before asphalt was applied.