There were delays and cost overruns in the tunnel construction.

New York has historically been a pioneer in tunnel construction.

Of those, only six were heavily involved with tunnel construction.

This experience was put to good use during the tunnel construction, which was carried out through volcanic rock.

Don't tell me you took a basic course in tunnel construction.

Approximately 60 houses received damage and compensation, as a result of the tunnel construction works.

Hartz said it would bear any cost of more than $50 million for tunnel construction.

There are three basic types of tunnel construction in common use:

During the tunnel construction, the tunneling team encountered five types of rock.

The normal method of doing this in soft ground is to maintain the soil pressures during and after the tunnel construction.