the national roads board then opted for it and, in september 1959, the ministry of works started the project. the platform was lowered about into a cut & cover tunnel approached on 1 in 80 gradients, with road over-bridges at river rd, tristram/hinemoa, seddon streets and lake rd. the new route and platform opened on 19 september 1964, after which anglesea st was extended north of ward st.