Route 4 is a
state highway in
Bergen County and
Passaic County,
New Jersey,
United States. The highway stretches from
Route 20 (McLean Boulevard) in
Paterson east to an interchange with
Interstate 95,
U.S. Route 1/9,
U.S. Route 46, and
U.S. Route 9W at the
George Washington Bridge approach in
Fort Lee. The route is a four- to six-lane
divided highway its entire length, with the portion east of the
Route 208 interchange in
Fair Lawn a partial
freeway consisting of interchanges and
right-in/right-out intersections with a few businesses along the road, particularly in
Paramus, where the route passes through a major shopping area consisting of numerous malls,
Hackensack,
Englewood, and Fort Lee. West of Route 208, the route is a surface arterial lined that runs through commercial areas. Route 4 intersects many important roads, including Route 208 in Fair Lawn and the
Garden State Parkway and
Route 17 in Paramus. The highway is officially named the
Mackay Highway, but is rarely referred to as such.