State Route 190 in Big Cottonwood Canyon in Utah remained closed on Tuesday, April 4, as avalanche mitigation operations were ongoing amid heavy snow.Avalanche mitigation operations would be completed around 9 am MDT on Tuesday, the Utah Department of Transportation (UDOT) said.A heavy snowstorm was underway in the northern region of Utah, bringing almost three feet of snow to some parts of the state, according to the National Weather Service. Credit: UDOT Cottonwood Canyons via Storyful