industry, especially rice production was traditionally the economic core of the community. However, by the 21st century the local economy is also equally driven by various forms of primary-based industry and tertiary sector. Other significant economic activities in Alor Setar includes manufacturing, commerce and retail, hospitality and tourism, financial services, food processing and fishery. The main industrial areas located in Alor Setar includes Mergong Barrage, Mergong 1 & 2, Tandop, Kristial Light Industrial Park and 2010 Industrial Park. Transportation The capital of Kedah is well connected to all parts of Peninsular Malaysia by all transport modes. Land The North–South Expressway, which extends from Bukit Kayu Hitam (Malaysia–Thai border town) to Singapore, has made it easy to drive to Kedah. It is a 6–7-hour drive from Kuala Lumpur and 1.5-hour drive from Penang via expressway. Additionally, Songkhla province in Thailand is also about in an hour reach from Alor Setar via Padang Besar–Sadao Highway. Alor Setar is approached from the east coast via East–West Highway (Lebuhraya Timur Barat). Towns such as Butterworth and Kangar etc., can also be accessed from Alor Setar. Car rental services are available. Bus Most of bus companies in Peninsular Malaysia provide air-conditioned express bus services. Tickets can be bought at bus terminals or ticket offices. All buses that arrive in Alor Setar stop at Shahab Perdana Terminal Bus. Those who wish to travel to other towns, including Thailand, can board their bus at this terminal. Local bus services are also available, serving almost all towns in Kedah. Rail Train services are provided by Keretapi Tanah Melayu Berhad (KTMB) through their ETS services. Train are available between Alor Setar and Kuala Lumpur, Butterworth, Padang Besar, and Gemas. The city' two railway stations are Alor Setar railway station and Anak Bukit railway station. Tickets can be obtained from the train station or online booking. Air Built in 1929, the Sultan Abdul Halim Airport (Alor Setar Airport, IATA code: AOR) is the second oldest airport in Malaysia. It is located at Kepala Batas, north of the city. It caters almost exclusively on domestic routes. Malaysia Airlines, Firefly, Malindo Air, and AirAsia provides multiple daily connections to and from Alor Setar and Kuala Lumpur; the airport also served flights connecting Alor Setar to Johor Bahru four times per-week from 1 October 2018. Since 9 September 2013, Malaysian Airline System connects Alor Setar with a seasonal international direct flights to Madinah