 Upon crossing County Route 606 ( Hetfield Avenue ) , Route 28 turns slightly mor east and enters Scotch Plains , where it passes homes to the south and businesses to the north . It continues into Westfield , where it passes more residences and businesses with the speed limit dropping to 25 mph ( 40 km / h ) . The road intersects County Route 648 ( Broad Street ) before coming to a roundabout . Here , County Route 610 continues east on South Avenue and Route 28 heads north as a four @-@ lane divided highway concurrent with County Route 610 that passes under the Raritan Valley Line . After crossing under the railroad line , the road intersects North Avenue , which heads west as County Route 610 and east as Route 28 . Meanwhile , County Route 509 continues north on East Broad Street from this intersection . Route 28 continues east as a four @-@ lane undivided road through the downtown area of Westfield , crossing County Route 613 ( Central Avenue ) . The route passes residences to the north and businesses to the south , with the Raritan Valley Line located a short distance to the south , becoming a two @-@ lane 35 mph ( 56 km / h ) road before entering Garwood . In Garwood , the road heads through more commercial areas before intersecting Route 59 ( Lincoln Avenue ) on the border of Cranford . Route 59 is a short route that provides access to County Route 610 , passing under the Raritan Valley Line . In Cranford , Route 28 becomes a 25 mph ( 40 km / h ) that passes homes before entering the commercial downtown area , where it intersects County Route 615 ( Springfield Avenue / Centennial Avenue ) . From here , the road stretches through residential and commercial areas as a 35 mph ( 56 km / h ) road before widening into a four @-@ lane divided highway and interchanging with the Garden State Parkway . 
