Thanks!
I keep the items you mention in my BOB in the car. Space and weight are always a concern when traveling by public transport but those are good suggestions. I've been traveling this route (Philly to DC) for 10 years and have compiled many alternate routes (adaption via traffic jams!)but picking out some possible layover/restock points out of the main traffic flows is a good idea.
Andy
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In a crisis one does not rise to one's level of expectations but rather falls to one's level of training.