 Unlike all other municipalities situated along the highway, there is no commercial development or billboards, with the open space along the highway maintained by the Township Council's Preserve the Greenbelt Committee.Route 4 narrows from three lanes in each direction on a section between Belle Avenue and Englewood, causing rush-hour traffic backups that may extend for miles.The New Jersey Department of Transportation (NJDOT) has discussed a series of proposed replacement projects for bridges over the highway, pending completion of feasibility studies and design work.