Originally Posted by Philly Tandem

I think the C&O Bike Shop in Hancock does shuttles, too.

AMTRAK only takes something like 6-8 bikes per train, so hopefully you have those spaces reserved already. Why in the world would someone box the bike instead of just rolling it on? Unless it's a tandem or something?

You could also rent a U-haul truck and a second car and just shuttle yourself back. With that many people the cost might work out ok, and give you max flexibility.