Winter oversnow road openings are dependent on sufficient snow.
On Wednesday, March 7, Norris Junction to Madison Junction, and Norris Junction to Canyon will close. All remaining groomed roads will close to oversnow vehicle use at 8 a.m. on Monday, March 12, 2001. When the interior park roads close to automobile traffic on November 6, non-motorized travel in the form of bicycles, roller blades and roller skis, will be allowed as long as weather permits. Specific information on these types of activities can be obtained by contacting the park. At this time of year, roads in the park are subject to temporary closures, and chains or snow tires may be required at times due to hazardous winter driving conditions.