Deutsche Bahn is using significantly more coaches to distribute war refugees from Ukraine.
According to the group, up to 300 vehicles have been available since Tuesday.
A railway spokesman said that around 13,000 people could be transported flexibly every day in the short term.
The additional support for refugee Ukrainian families was organized in cooperation with the German and Polish authorities.
So far, according to Deutsche Bahn, 20 buses are traveling in and from Poland towards Germany, and there are 30 vehicles nationwide.
According to Deutsche Bahn, the buses will be used between Warsaw and Germany, as well as within Germany and in the direction of other European cities, such as Paris.
Around 20 vehicles are available every day at Berlin Central Station alone.
People arriving there by train from Poland could be taken to different places in Germany.
In the short term, the number could be increased to up to 50 buses.
In Brandenburg, too, coaches are used at the train stations in Frankfurt/Oder and Cottbus to distribute refugees.