The second is called series and, depending on the stretch of track, will only move the train at about 15 miles an hour.

This stretch of track was not, however, legally abandoned until 1936.

The safety board said tonight that the train had been traveling at 79 miles an hour, the maximum allowed on this stretch of track.

The previous train passed over that stretch of track 18 hours earlier, he said.

This is the longest stretch of track that has been built in one day to date.

A "money meter" shows you how much is available for each stretch of track.

It shows that on one stretch of track, with signals dating back more than half a century, the condition was common.

The stretch of track parallels the road for about three hundred feet.

Is there any need to signal along such a nice straight stretch of track?

A stretch of track is still there, but the turbines and most other equipment are long gone.