From North (Routes 80 & 95 & George Washington Bridge):
Take NJ Turnpike South. When it divides, use the Eastern Spur, towards the Lincoln Tunnel. Take Exit 17, stay right towards Secaucus immediately after paying toll. Go straight through traffic light and over bridge. You are now on Harmon Meadow Blvd. Go to first light and turn unto Plaza Drive. Exposition Center is on your left.