All roads in Yellowstone National Park are now open, as crews cleared out the Dunraven Pass and opened the Tower Junction/Canyon Village section of road at 8 a.m. today.

Saying that hazing bison back into Yellowstone National Park via helicopter is better than the alternative -- having the state of Montana kill them -- a federal judge denied a request to halt the practice, at least on a temporary basis.

With sections of Yellowstone National Park just opening or still closed because of heavy snowpack in May, it's no surprise visitation has been down this year when compared to the record year of 2010.

Improving road conditions in the Sylvan Pass and the decreased chance of snow slides are causing Yellowstone National Park officials to open the East Entrance for travel 24 hours a day.

The Yellowstone National Park road between Mammoth Hot Springs and Tower Junction is now open, as road crews remove several car-sized boulders from the roadway; the move opens access to the Park from Cooke City.

Another traffic woe in Yellowstone National Park, this time out of West Yellowstone: attempts to haze bison back into the Park could affect traffic between the West Entrance and Madison Junction, so exercise caution.

It was a rough Memorial Day weekend in the Greater Yellowstone Ecosystem, as road closures both within and outside the Park appeared to dampen the number of visitors to the area. And things won't get better until the weekend at the earliest.

Wyoming officials aren't shy about wanting to clear more grizzly bears out of the Greater Yellowstone Ecosystem, estimating there are over 1,000 grizzlies in the area (despite an official estimate of 600) and clamoring for the ability to kill more.

Adding to the travel woes in Yellowstone National Park: More potential landslides are forcing National Park Service officials to keep the Mammoth Hot Springs-Tower Junction road closed indefinitely while safety checks get underway. And: more snow!

With several road closures -- including the road between Mammoth Hot Springs and Tower Junction due to rockslide-- on the traditional start of the real summer season in Yellowstone National Park, some planning is in order to avoid closed roads and rough patches.