People were invited to walk through the tunnel on opening day.

Groups of people walking through Lyttelton Road Tunnel in 2014.

View during the construction of the Lyttelton Road Tunnel ...

"Lyttelton Tunnel Under construction. Drilling from Heathcote ...

A Tranzauia 12 top dressing aircraft being carried on the back ...

Christchurch Hospital Underground tunnel closed off to the ...

View from within the Lyttelton Tunnel taken from the entrance ...

On the Heathcote side of the Christchurch-Lyttelton Road Tunnel ...

View of a World War II gun emplacement and down the 160 metre ...

View towards the entrance to the Lyttelton Tunnel following a ...

The neat and orderly appearance of the road tunnel to ...