1A road signs), from Point Street, US 1A uses Water Street to enter I-95 eastbound at exit 1D. Similarly, US 1A southbound probably exits I-195 westbound at exit 1C onto South Main Street and turns left onto Point Street. The highway continues on the East Providence Expressway (Interstate 195 [I-195]) into East Providence. US 1A uses another one-way pairing with the eastbound traffic using the expressway and Warren and Pawtucket avenues. The opposite direction is routed along Pawtucket and Newport avenues. The last city through which US 1A runs is Pawtucket where it runs for to the Massachusetts state line in Attleboro, traveling concurrently with Route 1A on Newport Avenue to US 1. History US 1A is not a former alignment of US 1. In Warwick, US 1A formerly ran further north along Post Road east of Route 117 instead of turning north to overlap with the state road. It stayed with Post Road through Pawtuxet Village, then traveled north into Cranston on Broad Street to rejoin the current alignment at Norwood Avenue. The southernmost section of the route, which exists on Post Road, was part of the Boston Post Road, a former mail route. Major intersections Exit numbers concurrent with I-195 converted to mileage-based exit numbering in 2020. Maine York U.S. Route 1A (US 1A) in York travels along the coast and serves the areas of York Harbor, York Beach, and Cape Neddick. The length of this segment is . Portland U.S. Route 1A (US 1A)'s original routing in Portland, Maine's largest city, has largely been eliminated, but a short section still exists mainly along Portland's waterfront. It now begins at exit 7 on the I-295 freeway (also known as Franklin Street). It travels east along the Franklin Street Arterial until its intersection with Commercial Street and the Maine State Pier. At this point, it makes a 90-degree turn onto Commercial Street, which it will follow through the entire waterfront area passing such landmarks as Becky's Diner and the U.S. Customs Service Portland office. It then passes under the four-lane State Route 77 (SR 77)/Casco Bay Bridge roadway and then continues along Commercial Street (and the waterfront) until its intersection with Valley Street and the Veteran's Memorial Bridge Road. US 1A follows neither routing but instead turns west and north following the Fore River Parkway where it loops back to meet I-295 again at the exit 5 interchange, which