 Route 27 passes by the Metropark station serving Amtrak and NJ Transit trains and interchanges with the Garden State Parkway near Iselin, where approximately 19,780 vehicles travel on Route 27 on a daily basis.Past the Garden State Parkway, Route 27 narrows back to two lanes and continues northeast alongside the Northeast Corridor, passing through a mix of residential and commercial development as a three-lane road with two northbound lanes and one southbound lane.Route 27 crosses into Rahway, Union County and intersects the northern terminus of Route 35.