Skudai Highway (Lebuhraya Skudai), also known as Senai Highway (Lebuhraya Senai), Jalan Tun Abdul Razak or Jalan Skudai, Federal Route 1 is a 29 kilometre partial-access highway in Johor, Malaysia, from the town of Senai to the Johor-Singapore Causeway, which connects Malaysia and Singapore. In Singapore, the causeway connects with Bukit Timah Expressway (BKE). The highway is also a part of Federal Route 1 and also a part of the Johor Bahru expressway network.