Miscellaneous
- The Federal Route 3 became a main route for Japanese Imperial forces from Kota Bharu to Johor Bahru during Battle of Malaya between 1941 and 1942.
- The abandoned British Army bunkers (Sedili Bunkers) during World War II at Jemaluang-Kota Tinggi road.
- The Petronas Oil and Gas Refinery and Sultan Ismail Power Station at Dungun-Kerteh road.
Read more about this topic: Malaysia Federal Route 3