Construction Begins on Tunnels for Haneda Airport Access Line

Haneda Airport construction site

The Kantō Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism has commenced construction work on the (tentative name) Haneda Airport Access Line on December 7th.

The project will develop the foundational infrastructure including a railway tunnel measuring approximately 2.4 kilometers within the airport premises, linking Tamachi Station and Haneda Airport. The tunnel structure will be constructed directly below the road surface in front of the P3 Parking Lot adjacent to Haneda Airport Terminal 2, using the open-cut method for the platform section of the station.

The construction requires the use of advanced technical skills such as ensuring road traffic flow and avoiding impacts on nearby structures. Therefore, for the tendering of this construction work, the Engineering, Construction, and Installations (ECI) method, which allows the incorporation of the construction company’s unique know-how from the design phase, was adopted for the first time in port and airport construction projects by the Kantō Regional Development Bureau.

Upon completion of the Haneda Airport Access Line, the direct connection between Tokyo Station and Haneda Airport will significantly improve airport access from a broad area, including shorter travel times and reduced transfer needs from regions accessed by the Utsunomiya, Takasaki, and Jōban lines. The travel time between Tokyo Station and Haneda Airport will be approximately 18 minutes. The estimated cost of the project is about 280 billion yen, with an expected opening in the fiscal year 2031.

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The translation may not be accurate.