The study says the busiest area in the city happens along Interstate 93 southbound between the Zakim Bridge and Pilgrims Highway at 3 p.m. | NBC10 Boston

Interstate 90 (both eastbound and westbound) remains closed from Rapid City to Chamberlain due to sustained high winds causing blizzard-like conditions. As high winds move east, low visibility and drifting snow are worsening. The current closure on I-90 will be extended to Sioux Falls at 5 p.m. (CT) on Thursday, Dec. 22, 2022. The U.S. National Weather Service (NWS) has issued a blizzard warning in effect through Friday, Dec. 23, 2022. In addition to blizzard-like conditions, many stuck and stra