to eight-lane as well with the construction of new routes which will connect the state with Sarawak, Brunei and the Trans Kalimantan Highway in Indonesia. The project is divided into two packages: the first package covering the West Coast area will complete in 2021, while the second covering the East Coast area will finish in 2022. All state roads are maintained under the state's Public Works Department, while federal roads maintained by the national Public Works Department. Sabah uses a dual carriageway with the left-hand traffic rule. All major towns in Sabah provide public transportation services such as buses, taxis and vans along with Grab services. The KK Sentral operating express bus services from the city to Beaufort, Sipitang, Menumbok, Lawas and Brunei. The BRT Kota Kinabalu is currently under construction to provide bus rapid transit (BRT) system in Sabah's capital. A rail transport through the Western Line operated by the Sabah State Railway provides daily services for commuters, travellers, as well as for cargo transportation. A separate company owned by Sutera Harbour known as the North Borneo Railway operates leisure tour for tourists. The train station and terminal is located in Tanjung Aru, not far from the city airport. Other main stations including in Papar, Beaufort and Tenom. The current Aeropod projects on the main station in Tanjung Aru will modernise the station and provide a provision for future light rail transit (LRT). In early 2016, the state government has purchased a new diesel multiple unit (DMU) for about RM8 million to replace the old train used between Beaufort and Tenom while the rail line from Halogilat and Tenom will be upgrading by the federal government at the cost of RM99.5 million along with the arrival of another three DMUs that will be received in early 2018. Kota Kinabalu International Airport is the main gateway to Sabah. In 2005, the Malaysian federal government approved major renovation and refurbishment works to the main terminal (Terminal 1) as well as a runway expansion with construction began in 2006. As a result of the expansion, the airport is able to accommodate large passenger aircraft such as the Boeing 747. It has also become the second busiest airport in Malaysia, after Kuala Lumpur International Airport (KLIA) in West Malaysia. In 2018, the Malaysia Airlines conducts test flight for its new long-range capability passenger aircraft of Airbus A350 to the airport from Kuala Lumpur