From Southern State Parkway:
Take Southern State Pkwy to EXIT 31 toward Bethpage State Park.
Merge onto Bethpage State Pkwy, and take the Boundary Ave exit (EXIT B2).
Turn slight left onto Northwest Dr.
From I-495/Long Island Expy:
Take I-495 to NY-135S/Seaford Oyster Bay Expy S via EXIT 44S toward Seaford
Take the Boundary Ave exit (EXIT 6) toward Plainedge
Turn left onto Boundary Ave (Boundary Ave becomes Merrits Rd).
Turn right onto Northwest Dr.