The project would consist of three tunnels, two for rail traffic and a third for maintenance.

The network consists of 706 tunnels, 2,523 bridges and 3,761 level crossings.

It actually consists of two single-track tunnels built nearly 20 years apart.

It is part of the N-230 road and consists of 2 parallel tunnels.

The line consists of two tunnels - one for each track.

In effect, the Kennedytunnel consists of four parallel tunnels.

A peculiarity of the tunnel is that it actually consists of two tunnels.

The dam's other spillway consists of two tunnels, each on opposing banks behind the dam.

The Chunnel actually consists of three tunnels, two for trains and a third in the center to provide service.

The escalator ride consists of two separate tunnels linked in between by a smaller hall.