Dam construction in the 1960s brought the flooding under control, and many of the ditches and tunnels were converted into underground roadways.

The collapse continued until many thousands of tons of rock were blocking a long section of the underground roadway.

The tunnel was wide enough to accommodate an underground roadway that ran along below and to one side of the tube itself.

All vehicles will be screened before they enter the site via the underground roadway, including for radioactive materials.

The main stem of the underground roadway once was to have run along Church Street.

While not all manmade tunnels are tiled, this type of surface is used for underground roadways and railways all around the world.

The ramp to the underground roadways was to be on the north side of Liberty Street.

Beneath part of the park would be the security screening area for the underground roadways serving the trade center.

That creates a choke point of two lanes in the network of underground roadways.

As soon as she saw it, Estrella insisted they go straight across the valley instead of on the usual underground roadways.