leaves Franconia Notch. Interstate 393 in Concord has a posted speed limit for its entire length, with the exception of zones on the westbound portion closest to the city center and the end of the highway. Interstate 293's speed limit through downtown Manchester falls to as it runs along the Merrimack River, but increases to on either side of the city center. Prior to 1974, the New Hampshire Turnpike, along with rural sections of Interstates 89 and 93, were posted at . New Jersey New Jersey's only statutory speed limits are 50 mph rural, 25 mph urban. Since the state is largely suburbanized, it ranges between 25 and 50 mph depending the jurisdiction of the road and whether the municipality is township, village, town, borough or city status. The common limited access freeway speed limit is 65 mph. However, shorter length freeways such as US 202, Route 15, Route 90, and Route 33 remain at 55 mph. In all 65 mph speed zones, the fines for speeding and other moving violations are doubled. Signs informing drivers of this appear after most 65 mph signs. Urban freeway speed limits are generally 50 to 55 mph. However, some freeways in urban areas retain a 65 mph speed limit such as the main line of the New Jersey Turnpike up to Exit 13 (Interstate 278), I-80 from the Delaware Water Gap (Exit 4) to the Passaic River (Exit 53), I-295 in the Trenton area, and I-78 from the Delaware River to the Newark border (Exit 55). Only the New Jersey Turnpike system, including the Eastern and Western spurs, the Newark Extension (I-78), and the Pennsylvania Turnpike Extension (I-95) have variable speed limits on their entire respective lengths. Four lane or greater state highways (often with a jersey divider or grass median) are generally posted at 50 to 55 mph (Such as Route 73 in southern Camden County, New Jersey, US 130 in industrial Pennsauken and Mercer County, US 30 in Atlantic County, and US 322 east of Williamstown). County four-lane highways and municipal maintained four-lane roads (with a jersey divider or grass median) are not posted above 50 mph. Two-lane rural state highways and county maintained roads generally have 40 to 50 mph limits. The only two lane surface roads posted at 55 mph in New Jersey are County Route 539, Route 70, and Route 72 in the Pine Barrens of Ocean and