Couple options there, either assemble competent crews to make the full trip and maintain the barge(s) or get inexpensive vessels close enough to let the current do the rest.
The toughest thing will be ventilation for the bus drivers.
I've said it before and I'll say it again, let's plant the idea in the minds of radical lefties that "POC"s should be paid much higher wages as "racial reparations", say minimum starting wage of $125 an hour, I can guaran fucking tee you that that would clean out the Timmie's pakis PDQ! Oh, and I bet the lefties would be all over this shit.