Traffic and Road Conditions - Roadnow We have also included a Caltrans Streaming Video Locations - California informative and always drive safely. More than 70 miles of Interstate 80 shut down in Northern California due to harsh blizzard conditions, officials told SFGATE Monday and it's unclear when the major thoroughfare will fully. of Emergency Services, Fueleconomy.gov - Weather Underground, U.S. This layer is updated from information provided by Caltrans Headquarters Communication Center in support of state emergency response efforts for 2022 incidents. Orange Belt Stages There is no estimated time of reopening. Chain Installation Chart (PDF) depicting the proper placement of traction devices for all vehicles. Nevada Travel Information,