Route 146, also known as the Louisquisset Pike, the Eddie Dowling Highway, and the North Smithfield Expressway, is a long numbered state highway located in Providence County, Rhode Island, United States. The route is a major north–south freeway in the northern Providence metropolitan area, directly linking Providence with the cities of Woonsocket, Rhode Island and Worcester, Massachusetts. For most of its length, Route 146 is a limited-access freeway, although there is one traffic signal in the North Smithfield business district. The southern terminus of the freeway is at Interstate 95 in downtown Providence, and the route's northern terminus is at the Rhode Island-Massachusetts state line in Millville, where it continues northward towards the Massachusetts Turnpike and the city of Worcester as Massachusetts Route 146.