News Dumfries Route 1 widening design underway By Potomac Local News Published August 15, 2017 at 7:00AM | Updated August 16, 2017 at 11:48AM U.S. 1 north in Dumfries. [Photo: Uriah Kiser / Potomac Local News] This article is FREE to read. Please Sign In or Create a FREE Account. Thank you. Author Potomac Local News View all posts #Dumfries #News