If you lose your train ticket, don't worry! Here's what you should do: First, stay calm and retrace your steps to see if you can find it. If not, contact the train company's customer service right away. They can help you with options like reissuing your ticket or providing proof of purchase so you can still board your train. It's important to act quickly and provide any details they a... https://reservationsus.com/when-should-i-check-in-for-amtrak/