Yes
Yes, but there is also a parking lot, in case you want to walk it, next to the Dam.
No you can not drive over damn however their is a bridge
Yes you can. There are a couple of parking spots at the top too.
Yes yo can drive back and front to Arizona or nevada over the dam
Yes, there is plenty of parking on the Arizona side. No stopping on top of the dam but u can walk all over. When u come in the check point, this is the same way you have to go back out, it doesn't go through.
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