The recording opens with interviews with several unidentified workmen, who describe methods used in the construction of the Christchurch-Lyttelton road tunnel.
Broadcaster Willis Williams introduces the broadcast of the tunnel opening ceremony. This begins with “Gateway to the Plains”, a march composed by Tom Kirk-Burnnand for the occasion.
The broadcast from the opening ceremony of the Christchurch-Lyttelton road tunnel is narrated by announcer Wally Chamberlain. Mr R.A. Witbrock, Chairman of the Tunnel Authority, welcomes the Governor-General and introduces the Prime Minister, Keith Holyoake.
Prime Minister Keith Holyoake pays tribute to those who have worked on the tunnel project. The Bishop of Christchurch, The Right Reverend A.K. Warren, dedicates the tunnel. There is a speech by the Governor General, Sir Bernard Fergusson, who declares the tunnel open. Broadcaster Wally Chamberlain then describes the first car to pay the toll and move through the tunnel.