If the situation is so dire where you live that you must evacuate -- and so dire everywhere else that you may need your year stash of food -- then if you can't take it all with you by yourself, it's time to coordinate with some of your neighbors that you trust.

Traveling in a group could increase your safety margin. And no point leaving behind what may very well be looted anyway.

You have gobs of food, maybe one or more of them has gobs of guns, ammo, tools and fuel. Maybe one of them is a skilled mechanic who can keep the vehicles running. Or has a cargo trailer. Or has medical skills and medicine. Or has a place in the hills where you all can evacuate to. Or has camping gear.

Be good to know all this in advance of an emergency.

Create a community on wheels. I'd rather bug out with a group I know than alone among millions of strangers.