From The Massachusetts Emergency Management Agency:
"A ban on motor vehicle travel beginning at 4:00 PM today and continuing until further notice has been issued. There are exceptions for public safety vehicles and public safety workers, including contract personnel; public works vehicles and public works workers, including contract personnel; government officials conducting official business; utility company vehicles and utility workers; healthcare workers who must travel to and from work in order to provide essential health services; news media; travel necessary to maintain and deliver critical private sector services such as energy, fuel supplies and delivery, financial systems and the delivery of critical commodities; travel to support business operations that provide critical services to the public, including gasoline stations, food stores and hardware stores."