There may be many children who don’t know the details of how many servers Honkai Planet Railway has. Here is the "How Many Server Details Does Honkai Star Railway Have" compiled by the editor of Sourcecode.com for children who have these questions. Let's take a look below, maybe it can help you.
two servers
Official server-"Star Train" server
Station B server-"Wu Mingke" service
The two servers do not communicate with each other.