1.   Now let us suppose that the train is traveling at six-tenths the speed of light.

2.   Sometimes migrant trains were seen travelling eastward, despite the higher fares, just as packed as those going west.

3.   The train was already travelling at speed when she tried to open the carriage door.

4.   The train was travelling at high speed.

5.   The train was travelling so fast that when it came off the rails it turned over onto its roof.

6.   Those trains will travel on to Glasgow and, we hope, beyond.

7.   Already trains travel under the English Channel.

8.   Americans not only traveled by train, they also carried heavy luggage with them.

9.   As her husband traveled by train toward Chicago, Mrs. Clinton began her convention schedule by visiting morning caucuses of the Arkansas and Connecticut delegations.

10.   BART trains were traveling at reduced speeds, as is customary after an earthquake.