More than 3 million visitors from all over the world come to Asia's premier resort, Bali, every year. It is predicted that this number of tourists will increase to 4.5 million by 2020. In 2013, Bali achieved the completion of three great transportation infrastructure developments: 1. The new terminal at Ngura Rai International Airport 2. The Mandara Toll Road, the longest marine highway in the world, spanning 12.7 km. 3. The underpass at Simpang Siur junction