A government shutdown would have wide-ranging impacts, and those could impact operations at Acadia National Park in Maine, NBC affiliate News Center Maine reports. In previous shutdowns, national parks remained open, but with limited staffing. But there is a push from members of the Coalition to Protect America's National Parks to temporarily close them if the shutdown hits at 12:01 a.m. on Wednesday, as anticipated. He is among those supporting a hard closure of all the national parks to deter visitors. “People would be discouraged from entering the parks and or prevented from entering the parks,” Steele said.