|Airport MRT / A|
|Locale||Taoyuan, Taipei, New Taipei|
|Termini||Taipei Main Station|
Zhongli railway station
|Opened||2 March 2017|
|Operator(s)||Taoyuan Metro Corporation|
|Character||Elevated and Underground|
|Depot(s)||Qingpu Depot, Luzhu Depot|
|Line length||51.03 kilometres (31.71 mi)|
|Track gauge||1,435 mm (4 ft 8 1⁄2 in) standard gauge|
|Electrification||Third rail 750 V DC|
|Operating speed||94.4 km/h|
|Taoyuan Airport MRT|
|Taoyuan Airport MRT|
Taiwan Taoyuan International Airport Access MRT (mass rapid transit), commonly known as the Airport MRT, is a rapid transit line of Taoyuan Metro that connects the municipalities of Taipei, New Taipei, and Taoyuan with Taoyuan International Airport. The 51.03 km (31.71 mi) line began commercial service on 2 March 2017.
- 1 Overview
- 2 History
- 3 Construction
- 4 Services
- 5 Stations
- 6 Fares
- 7 Ridership
- 8 See also
- 9 Notes
- 10 References
- 11 External links
The route starts from Terminal 2 of Taoyuan International Airport and extends eastward, passing through Luzhu, Linkou, Guishan, Xinzhuang, and Sanchong, and before terminating in downtown Taipei. From the airport, it also extends south passing by THSR Taoyuan Station before terminating in Zhongli. The route is 51.03 km (31.71 mi) long with 7 underground stations, 15 elevated stations, and two maintenance depots (Qingpu and Luzhu). Elevated track makes up 40.11 km (24.92 mi) of the total route length. The total budget for the project is NT$93.6 billion. The line is expected to serve over 143,000 passengers per day. The line has a maximum operational speed of 100 km/h (62 mph).
|Times shown are for trips originating from Taipei Main Station.|
Two types of services are offered: Commuter Trains and Express Trains. While both trains travel the same route, Express Trains stop at fewer stations and are specially provided for airport passengers. Commuter Trains, which stop at every station, operate from Taipei to Zhongli in 70 minutes, while Express Trains run from Taipei directly to Taiwan Taoyuan International Airport in 38 minutes. During the initial stage of operation, services run with a 15-minute headway for Express and Commuter Trains (or 7.5 minutes per train), with a target interval of 3.75 minutes between trains.
In-town check in and baggage check services are available at three stations: Taipei Main Station, New Taipei Industrial Park Station (future), and THSR Taoyuan Station, thus extending airline check-ins to downtown Taipei. Although check-in and baggage services have already been added at THSR Taoyuan Station, it is further streamlined with the completion of the MRT. Checked baggage is delivered to Terminal Two, where it is scanned and directed to the appropriate airline. Baggage handling equipment is installed, including check-in counters, conveyor belts, container handling equipment, container elevators, and control systems. Baggage is transported from the check-in counter into containers, which are loaded onto Express Trains. Flight information display systems are installed at Express Train stops (A1, A3, and A8) as well as at THSR Taoyuan Station (A18). They are installed at check-in counters and in each Express Train car.
The train sets are built by Kawasaki Heavy Industries.
Each car is powered by traditional, AC three-phase induction motors with 750 V DC power supplied via third rail and are controlled with both automatic train control (ATC) and automatic train operation (ATO). Four-car configurations are used for Commuter Trains, while Express Trains have five-car configurations due to an extra baggage car. The car body is constructed from stainless steel. In Commuter Trains, each train car has 50 longitudinal seats with two wheelchair areas and two luggage racks. Express Train cars are equipped with 54 seats with one wheelchair area and three luggage racks. Each train car has three doors per side, while the baggage car has five doors per side. An onboard baggage handling system, including control equipment, is installed. The first train set (of 28 ordered) were shipped at the end of July 2011 and started arriving by the middle of August 2011. Initial track testing for the first set began in October 2011. Of the 28 train sets, 11 are Express Trains while 17 are Commuter Trains. All Express Trains and one Commuter Train were constructed in Japan; the rest are made in Taiwan.
Taoyuan Metro also uses a specialised fleet of engineering trains supplied by Hokuriku Heavy Industries for maintenance of way. Some of these trains include rail crane wagons , rail inspection vehicles  and 60-ton rescue locomotives. 
Announcement and funding
As one of the New Ten Major Construction Projects, a rail system to connect Taoyuan International Airport with existing transportation hubs was announced. This metro route was originally planned to be constructed as a BOT project. In 1998, the project was auctioned to Evertransit International Development Corp. (長生國際開發), a subsidiary of Ever Fortune Industrial Co. (長億實業). However, the company failed to begin the construction, and in 2003, the government cancelled the contract. After the BOT project failed to go through, the Ministry of Transportation and Communications (MOTC) decided to build the line directly from the government budget.
Taipei terminus moved
The terminus in Taipei was shifted from Ximen to Taipei Main Station to facilitate transfers to other forms of public transportation (including TRA and THSR). There were disagreements between the MOTC and the Taipei City Government regarding the exact location of the terminal station. The MOTC preferred an elevated station just north of the Taipei Main Station, while the City Government wanted it built underground just west of Chengde Road. The MOTC's plan was less expensive and would require less time to construct, but it would have obstructed the scenery of the surrounding area. The two sides finally compromised, agreeing to build the station underground with the City Government covering the additional cost. The revised project was approved in September 2004 and construction began on 25 September 2006.
Construction and development
The Bureau of High Speed Rail of the Ministry of Transportation and Communications oversaw construction. Construction began in 2006 and was plagued by multiple delays; the majority of the line was originally scheduled for completion in 2013. The line began trial operations on 2 February 2017 and began commercial service on 2 March 2017.
A special industrial zone was planned around the THSR Taoyuan Station area. Land acquisition for the Sanchong City section totaled 2.07 ha (20,700 m2) and cost NT$1.4 billion, including land and buildings.
- 4 December 2008: MOTC announced that the system would be extended to Zhongli.
- 31 December 2008: Construction of the Gate of Taipei and Taipei Main Station (A1) began.
- 13 February 2009: MOTC announced that the line would be handed over to the Taiwan Railway Administration (TRA) to operate. However, after President Ma Ying-jeou took office, he asked the Bureau of High Speed Rail to reassess the possibility of operating the line with the Taipei Rapid Transit Corporation (TRTC) and the TRA.
- 9 May 2009: The TRA announced they would not be able to operate the line. Thus, the MOTC asked either TRTC or the Taoyuan City Government to create the Taoyuan Mass Rapid Transit Corporation to operate the line.
- 15 May 2010: The Council for Economic Planning and Development released a report about the extension to Zhongli and development of the surrounding areas. It will cost an estimated NT$13.801 billion to complete.
- 2010: Sanchong residents living in the Boai New Community requested an additional station be added to the route: Boai (A2A). In order not delay opening of the line, space would be preserved for Stage 2 construction. Addition of the station will cost an additional NT$1.94 billion in addition to the design and construction of a flood wall (NT$300 million), bringing the total estimated cost to NT$2.24 billion.
- 5 August 2011: Construction on 40 km (25 mi) of elevated track (out of the total 51 km (32 mi)) was completed.
- 2 February 2017: Trial operations between Taipei and Huanbei started. 1.4 million passengers used the system during this period, double the expected 700,000 passengers.
- 2 March 2017: The Taipei-Huanbei section opened for commercial service.
The entire system cost NT$113.85 billion. The first train sets from Kawasaki Heavy Industries were delivered in July 2011. The system is based on steel wheel on steel rail technology. Platform screen doors are installed at all underground stations, while elevated stations are equipped with automatic platform gates.
In addition to tracks and stations, joint development projects have been constructed to boost development around stations. In April 2011, Kingdom Construction Corp. signed a contract to construct a 16-story residential and commercial building near Linkou Station.
The design of core E&M systems (including rolling stock, power supply, signaling, communications, depot equipment, platform screen doors, etc.) and the design and construction of two depots (Qingpu and Luzhu) were awarded as part of a contract worth NT$25.5 billion. Hitachi, in cooperation with Marubeni Corporation and Kawasaki Heavy Industries, won the bid for the E&M systems and signed the contract on 12 January 2006. The groundbreaking ceremony for the power supply system was held on 1 October 2010 on behalf of five contractor companies including Hitachi. Motorola supplied the digital radio communications system for the line.
The power supply for the system is drawn from two Taiwan Power Company 161 kV supplies at three Bulk Supply Substations (BSS); one incoming line serves as the main power supply while the other serves a backup. One substation (A8) is located between Chang Gung Memorial Hospital and Linkou. The main RC structure was completed in March 2011, while civil engineering was finished at the end of October. The automatic fare collection system contract was awarded to Mercuries Data Systems (MDS) on 22 October 2010 for NT$355 million.
Of the total 51.03 km (31.71 mi) route length, 10.92 km (6.79 mi) was constructed underground while 40.11 km (24.92 mi) is elevated. A large portion (78.6%) of the route length is constructed on 9.3 m (31 ft)-wide viaducts, which is used in both dense urban districts as well as rural areas with steep slopes. Two types of viaducts, single-tracked and double-tracked, are used. Single-tracked viaducts were constructed with a standard span of 30 m (98 ft) with mobile cranes. Double-tracked viaducts were constructed using the Advanced Shoring Method for either 35 m (115 ft) or 60 m (200 ft) spans. A 4 m (13 ft) noise barrier wall is used on all viaducts, and floating track beds are used for environmentally-sensitive zones. During construction, some residents in Xinzhuang expressed concern over the 7 to 9-story high elevated track and its stability during potential earthquakes. The Bureau of High Speed Rail responded that due to a base that penetrates 20–30 m (66–98 ft) into the ground, the tracks could withstand earthquake shake intensity over 5 without a problem. By July 2011, the last of the line's elevated support pillars were erected and by August 2011, construction of the elevated viaducts were completed.
RAIL.ONE Group provided the ballastless track system for the line. 150,000 modified bi-block type B 355 ties were delivered for the line. The first set arrived between July and December 2010, while the last set began production in March 2011.
The Taipei terminus is situated under the future Gate of Taipei twin towers and is designed by architect Fumihiko Maki. The station itself extends five stories underground. The diaphragm wall is 53 meters deep and excavation depth was around 27 meters. Four underground levels were constructed: three for the terminus of the station and one for a parking lot. China Engineering Consultants, Inc. (CECI) won the contract for construction of the Taipei City section through public appraisal on 8 July 2005. Redevelopment of the 47 hectares (470,000 m2) area will consist of retail, office, and hotel components.
Taoyuan Airport section
The entire airport section consists of four underground stations (A12 to A14a) and is 6.85 km (4.26 mi) long. Both cut-and-cover and shield tunneling were used for tunnel construction. Since shield tunnels were constructed underneath existing taxiways and the control tower area, an automatic monitoring system was used to assess the impact to the soil and structures so that a response can be made in time. In the same section, secondary grouting and a micro-pile cut-off wall was used to reinforce the tunnels. In addition, a floating track bed was used for the tracks crossing these areas to reduce vibrations. Continental Engineering Corporation constructed the underground stations and the tunnels in this section.
Five shield tunneling sections totaling 3,600 m (11,800 ft) and 1,630 m (5,350 ft) of cut-and-cover sections were excavated. Arrival areas near the MRT departure areas were constructed.
Tunneling under the Tamsui River
The section passing below Tamsui River (about 1 km in length) employed the shield-tunneling method. The double-O-tube (DOT) shield tunnel machine was used for the first time in Taiwan. The 1.58 km (0.98 mi)-long tunnels took 1 year to dig, and were completed in December 2010.
Chingshan Road section
This section was built along a steep roadside slope. Traditional construction methods would greatly increase the difficulty, cost, and excavation area necessary to build an elevated line through the area. In order to reduce environmental impact and cut construction time, a bamboo-cut treatment was used in construction to keep the slope intact. Top ring girders 11.4 m (37 ft) in diameter were used to gradually excavate the area, after which a 10 m (33 ft) diameter foundation can be placed. A total of 15 bamboo-cut foundations were constructed, ranging from a height of 5.88 to 16.35 meters. By June 2010, the contractor (Fu Tsu Corporation) had completed 13 of the 15 bases, with the additional two under construction.
In-Town Check-In (ITCI)
In-Town Check-In (ITCI) is available for passengers at Taipei Main Station. Passengers can check-in their luggage, choose their seat, and obtain their boarding pass. 
Several stations were selected for public art installations.
- Operation Services
- C - Commuter
- E - Express 
As of 2019, one-way ticket prices range from NT$30 to NT$160, with tickets from the airport to Taoyuan HSR priced at NT$40, and from the airport to Taipei Main Station priced at NT$160. Trips within A12-A14a stations (Airport Terminal 1 to Airport Hotel) are free when using an IC card.
30, 60, and 90-day periodic tickets are available, offering up to 40% discounts.
Table below shows the daily average ridership per month.。
- ticket price 50% off from 2 Mar to 1 Apr
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|Wikimedia Commons has media related to Taoyuan International Airport Access MRT System.|
- Taoyuan Metro
- Transportation Department, Taoyuan County Government (Chinese)
- Institute of Transportation, MOTC (Chinese) (pdf)
- EDS Group