The New Jersey Turnpike has lanes.
Interstate 95 ( I-95 ) is a major Interstate Highway that traverses nearly the full extent of the East Coast of the United States , from Florida to Maine , with the exception of a small gap in New Jersey . New Jersey Turnpike . According to the International Bridge , Tunnel and Turnpike Association , the Turnpike is the nation 's sixth-busiest toll road and is one of the most heavily traveled highways in the United States . Having a total length of 122.40 mi , the Turnpike 's southern terminus begins at Interstate 295 ( I-295 ) near the border of Pennsville and Carneys Point Townships in Salem County , one mile east of the Delaware Memorial Bridge . The route divides into four roadways between exit 6 and exit 14 , with the inner lanes restricted to carrying only cars , and with the outer lanes for cars , trucks and buses . The Turnpike has 12 ft lanes , 10 ft shoulders , 13 rest areas named after notable residents of New Jersey , and unusual exit signage that was considered the pinnacle of highway building in the 1950s .