First road trip, and I'm a little nervous.

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So, me and my husband are going down to the beach around the first of June, and I'm a little nervous. Only because I have major anxiety in a car due to my horrible car wreck a couple years back. Ever since then I can't stand being in a car. I'm not on medication and I don't want to be if I'm going to be driving half way down as well. I told him it would probably be better if we left at night so we won't hit much traffic going down. And I won't freak out as much either. I also think trips are 10x better at night lol. Is there any advice y'all can give me? And like what we should take on the road trip and such? Since this will be our first road trip out of state together. 💁🏻
Plus will be taking our German Shepherd. So tips with that would be good to!