… what still aggravates the traveller is that he rarely learns that his week-end train has been re-scheduled until he arrives at the main station to begin his journey and catches sight of a chalked notice in the concourse.

It is easy to see how she would think that. (with the infinitive clause headed by to see)

There is no purpose in levelling fines because they would be merely paid from the £1.8 billion which the BBC collects.

One of the first standard types of automated visual grade-crossing warning was the automated flagman, a signal commonly known as a wigwag. According to Santa Fe documents, the wigwag was adopted as a standard crossing device by the American Railway Association in 1923. A standard wigwag is actuated by a track circuit and consists of a paddle with a red lamp that gracefully swings back and forth in a horizontal pattern when a train approaches. A wigwag is usually accompanied by a bell.