51.   Passenger trains stopped.

52.   She said the train had stopped fast enough to send her coffee flying.

53.   Senators and other passengers have been trapped on-board when the trains have stopped moving and the doors closed.

54.   Should trains stop running at that precise moment?

55.   Since then, several mines have closed and trains no longer stop here.

56.   Sixteen trains in Brooklyn stopped, including six that were between stations, and one train was stuck in a tunnel for an hour.

57.   Such breaks can cause serious derailments, so when one is found, trains stop and the rail is fixed or replaced.

58.   That train stopped at every station, and if you missed one, you could always catch another.

59.   The Bay Line excursion train had stopped to discharge passengers and to allow others to get refreshments.

60.   The gas filled the front car and spread to other stations where the train had stopped.