1.   The unending blast of the train horn struck Kate Pritchard like a hammer blow.

2.   Noisy train horns, however, have been too much to take for some residents in Elkhart, Ind., east of South Bend.

3.   The rule also proposes an upper volume limit for train horns.

4.   Wisconsin, Minnesota, Indiana and Virginia also have large numbers of crossings where train horns are not alllowed.