From Central or Northern New Jersey or New York:

• Enter Route 78 West (toward PA) to Exit 7 for Bloomsbury.
• Take Exit 7 and turn right onto Route 173 West.
• Medarex is approximately 3 miles on the right.
  

From Pennsylvania or Western New Jersey:

• Enter Route 78 East (from PA) to Exit 3 for Bloomsbury.
• Take Exit 3 and turn right onto Route 173 East.
• Medarex is approximately 2 miles on the left.