View from highway View from highway driving South. Crossing the Delaware River. The Delaware River serves as the conduit to the Atlantic Ocean for many of New Jersey’s rivers and streams. The Delaware River and Delaware Bay together form New Jersey’s western boundary. Pennsylvania/New Jersey Stateline to Pluckemin (Junction of Interstate Highway #78) New Jersey is a year-round destination that's never out of season. Summers are filled with boardwalk and theme park excitement and exhilarating ocean swims. Fall brings crisp autumn days that are perfect for hiking wilderness trails. Or there are lush gardens in spring and brisk winter mountain skiing.