Use the North-South Expressway. If you are driving from Kuala Lumpur, follow the route to the Kedah in the north. If you are driving from Perlis or Alor Setar, follow the road leading south. Take the exit to Sungai Petani, and take the road to Merbok. At Merbok, follow the signage leading to the Lembah Bujang Archaeological Museum.
Trains stop at Sungai Petani and Alor Setar. For rates and time, please visit http://www.ktmb.com.my