Will they ever finish that section of motorway? When will those extra lanes open? Why is construction taking so long? Transport reporter Bernard Orsman takes a look at the progress of some of our biggest motorway projects.

Ever since the Auckland Harbour Bridge opened 60 years ago, a second harbour crossing has been mooted.

There has been talk of a new bridge, tunnels under the Waitematā Harbour, a rail crossing and a radical idea of demolishing the existing bridge for a new arching structure supporting a splay of cables in the shape of a sail.

The 2007 sail design would