The max amount of people was around 930 people when i went on Tuesday
I was stopped by the ranger saying reached Maximum capacity around 10:30am last Sat... Totally no chance to get in for the day anymore..
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According to the Info Center in Fredericksburg, 200 cars.
I went this past weekend and there were over 200 cars, and that is ther cap from what they told me. As fir people in the park i dont have an answer for that.
I may be wrong but I believe the Ranger said 250 get in and then 250 get vouchers. What confuses me is I met quite a few people that said you can go in anytime regardless of capacity.
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