"get into the train" is a perfectly correct and usable phrase in written English.
You can use it to refer to the action of boarding a train. For example, "The station was crowded and we had to hurry to get into the train on time."
Five people trying to get into the train had to wait while the four people trying to get out turned sideways past Mr. Colon.
But in many cases, those waiting to get into the train would not stand to the sides of the boxes but would gather all around it, like cowboys around a camp fire.
And why do you insist on remaining planted right in the middle of the doorway when the doors open in the station, forcing people to squeeze around you to get into the train?
Some of them managed to get into the train station and stop a large group of EDL members from getting off trains.
"It's what I train for and every day I get into the training pool I'll think of winning all these medals.
There's an increased age at which they acquire their own independent research funding, and probably also at which they first get into the training pipelines for research.
When he got into the train he would notice the greeting and turn to the riders to acknowledge it.
In a final italicized passage, on a visit to Pithviers, in 1962, the narrator picks up a stone from the track bed, imagining that her mother might have stepped on it as she got into the train.
He pointed to a pillar that was very close by and said that I should stand there until my train came in and that he would watch me from where he was, and then the West End express pulled in and I got into the train and I went home".
Don't be fooled by their relatively flimsy appearance, they will close on anything getting into the train too late - water bottle, backpack, hand, leg, small child, you name it - and will hold that thing in a vice-like grip until the conductor presses the button to open them.
But first, get outta your apartment and get into the A train, then get outta the train and don't get into the 34th street traffic.
