I've traveled 4 times now via greyhound and never needed an ID for anything. Although I imagine it could come in handy if u need anything along the way. However, I haven't ran into any issues that resulted in the need for my ID.
If you have any complications during your trip your id is necessary to fix it Everytime you cross state lines you are subject to new laws....while one state won't need id the next state might require it ...bring id just in case
They say you do but I didn't have to show one well they didn't ask either
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