It connects Newark with points to the east. The last U.S. Route in the county is U.S. Route 46, which passes through Fairfield, where it is a major commercial road that parallels Interstate 80. The most important state road in the county is the Garden State Parkway which passes north–south through the county, connecting Union Township in the south in Union County to Clifton in the north in Passaic County. It is a toll road, a freeway, and bans trucks of more than 7,000 pounds during its entire length in the county. It has one interchange in Irvington, one in Newark, two in East Orange, and four in Bloomfield. Outside the county, it is the longest road of any kind in the state. New Jersey Route 7 is a major arterial road in Nutley and Belleville. It has two discontinuous sections. The southern section starts at an overpass for Route 21 and passes over the Belleville Turnpike Bridge into border between Hudson and Bergen counties. The northern section starts at the Newark/Belleville border passes through Belleville and Nutley until in crosses into Clifton. Other highways in the county include:  There are many buses that operate around the county, with NJ Transit (NJT) headquarters located just behind Newark Penn Station, a transit hub in the eastern part of the county. There are two major bus terminals in the county, Newark Penn Station and the Irvington Bus Terminal. DeCamp Bus Lines, Community Coach, and OurBus operate buses from Essex County to the Port Authority Bus Terminal in New York City. Some of the NJ Transit bus lines follow former streetcar lines. Essex County has a large rail network, but most of the network is focused at commuting to Newark and New York City. All of the passenger rail lines in the county are electrified; although, not all trains that use the lines are electric, because they connect to non-electrified track. NJ Transit has five lines that make stops in the county. All of them stop at either Newark Penn Station or Newark Broad Street Station. The Northeast Corridor Line from Trenton with connections from Philadelphia's 30th Street Station, Camden, and Princeton has stops at Newark Airport and Newark Penn Stations before continuing to Secaucus Junction and New York Penn Station. The North Jersey Coast Line from Bay Head or Long Branch also stops at Newark Airport and Newark Penn Stations before continuing to Secaucus Junction and New York Penn Station or Hoboken Terminal. The Raritan Valley Line from High Bridge usually terminates in Newark Penn Station, but mid-day trains continue to New York and one eastbound morning train terminates at Hoboken Terminal.