Under CSX's own rules, a train must sound its horn until it enters a crossing.

Actually the train sounds only appear 15 minutes into the mix, evidence of a new direction given to the whole project.

Far in the distance, a train had sounded its whistle, and the faint rumble of the cars sounded almost like distant thunder.

As the crossing is ungated trains must come to a stand and sound their horn before crossing.

The Hungarian train sounds like an American imitating an Indian rain dance.

But before the Marine could ask the significance of the little metal fish, the train sounded its whistle just outside the city.

Mr. Songer said he could still remember what the trains sounded like as they roared through town.

He then set up multiple turntables in his studio, allowing him to trigger and mix together the various train sounds as needed.

At each farmstead, hamlet or village our train sounds its presence.

A train barreled through this sleepy town at 35 m.p.h. last week and sounded its horn to alert oncoming traffic.