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All Middlesex County buildings will remain closed to the general public until further notice due to COVID-19. Only select County services are available on an appointment basis.


​Residents, commuters and visitors have access to a vast network of roads and mass transit options to travel through Middlesex County and the surrounding region.

​Middlesex County is the major transportation corridor county of New Jersey, and for this reason, has experienced continued increases in population and economic activity. Major highways located in the County include the New Jersey Turnpike, Interstate 287, U.S. Routes 1, 9 and 130, the Garden State Parkway and State Routes 18, 27, 34, 35 and 440. There are a total of 324 miles of County roads alone.  Middlesex County’s major highways and the Northeast Rail Corridor directly link the County to the major markets in the New York and Philadelphia areas.  
There are three major passenger rail lines and 16 rail freight lines serving the County. Passenger rail service is provided by NJ Transit on the Northeast Corridor Line, the North Jersey Coast Line and the Raritan Valley Line. Amtrak runs on the Northeast Corridor Line, extending passenger service to New York, Philadelphia and Washington, D.C. Amtrak also operates Boston-to-Washington service, with stops in Middlesex County.
On the highways, NJ Transit, Academy Transit, Suburban Transit and private carriers provide local, inter-county, and interstate bus transportation between New Jersey, New York and Pennsylvania. Over-the-road hauling is provided by nearly 250 common carrier truck/van lines, guaranteeing efficient and affordable freight handling service. In terms of travel demand, Middlesex County is among thd highest in New Jersey in vehicle miles traveled, with over 21 million of the State’s total of 199 million of vehicle miles traveled. Middlesex County Area Transit (MCAT) provides transportation to seniors (60+), disabled and other transportation dependent residents of Middlesex County. The general purpose of the program is to make transportation available and accessible so that residents may obtain the necessities of life, including, but not limited to employment, shopping and non-emergency medical services.
Deep water shipping facilities are available at the mouth of the Raritan River and along the Arthur Kill, and have channel depths of 30 feet at mean low tide. A short distance north of the County, the Port Authority of New York, the world’s most complete port, handles more cargo than any other port in the United States, and the 2,000-acre Port of Elizabeth handles 85% of the tonnage that passes through the Port of New York.
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