sentences:  In New Hampshire, Interstate 95 was routed along the New Hampshire Turnpike, which had opened to traffic in 1950, and paralleled U.S. Route 1 through New Hampshire's Seacoast region from the Massachusetts border to the Turnpike's end at the Portsmouth Traffic Circle.A gap remained between the traffic circle and the beginning of the Maine Turnpike on the other side of the Piscataqua River, filled by the US-1 Bypass.It crossed the river using the two-lane Sarah Mildred Long lift bridge, which was far from meeting Interstate Highway standards for four-lane highways and fixed spans.