From Interstate 495 North or South: Take Exit 48 (Ward Hill, 125 exit) onto the 125 Connector. Turn right at the first traffic light onto Shelley Road in Ward Hill Industrial Park West. Take a left at the stop sign and go up the hill to the end of the street. Turn left onto Neck Road and travel for about 1/4 mile. Merrimac Industrial Sales is located on the left at 111 Neck Road.