How much less viable is hitching with two people? Do you get less rides? Is it worth it?
If you're a guy and your companion is female, expect to get places at least 3x faster than if you were by yourself. If you're trying to hitch with another guy you might as well just call it hiking. "This highway ain't big enough for the both of us boy..." I'm being a little dramatic but ya, hitching with other guys is wack.