Most of the time you need i.d. for a ticket pick up but usually as long as you have the cash they're pretty cool
You need your picture ID I am not sure they check dates. If your within the year and your picture looks like you should be okay.. Get your license current soon...
The only time Greyhound checks for identification is when boarding the bus to make certain you are the one on the ticket and if you purchase your ticket inside of the terminal. If it is expired, they usually don't check that, if they do, then someone is having a bad day!
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