Also there was no signal failure, the approach signal was red.

It was suggested that either a signal failure occurred or driver error was responsible.

Losing one's breath, denotes signal failure where success seemed assured.

Sparks wants to be a feed of "interests" - but for me it was a signal failure.

Great start to the day, kicked off the tube because of a signal failure so am now working from home for the moment.

Delays were caused by a number of factors including signal failure and severe weather conditions.

The dreaded phenomenon of "signal failure" is setting in, and cars are failing to travel even one block during the green light.

There was a signal failure at the height of the commuter rush on Monday morning, which backed up 27 trains.

It was the site of a fatal collision in 1985 between two electric multiple units due to a signal failure.

The collision was caused by a signal failure due to a wiring fault.