Size Limits in Olympic NP?

[jglabrown]

While planning our next trip, I googled "Olympic National Park" and, under "camping" found a sentence that read "RVs and trailers up to 21 feet" can be accomodated. While some of the areas are certainly too small for a large trailer, I don't recall a general size restriction in the past. Has anyone been over there this year? Is this a new restriction and are they enforcing a size limit in each of the areas?