Seibu Shinjuku Line Elevated Switch to Alleviate Traffic Congestion in Higashimurayama

Significant Upgrade of the Seibu Shinjuku Line



On June 29, the Seibu Shinjuku Line near Higashimurayama Station is set to transition to an elevated route. This crucial project, carried out by the Tokyo Metropolitan Government in collaboration with Seibu Railway Co., aims to improve traffic conditions by reducing the waiting times at four level crossings along the Fuchu Highway. With this elevated construction, not only will the inconvenience of prolonged waiting at level crossings be alleviated, but it is also anticipated to ease traffic jams significantly.

Project Overview


The elevation of the descending line of the Seibu Shinjuku Line is part of a larger ongoing initiative, the continuous elevated crossing project, which also encompasses the Kokubunji Line and the Seibu En Line. The length of this segment spans approximately 2.3 kilometers and is part of an expansive project covering about 4.5 kilometers across the highlighted lines. This project, with an estimated budget of 93.5 billion yen, has been receiving progression since FY 2013, with duties expected to continue until FY 2025 for associated street works.

Notably, the switch to the elevated route is also vital in connecting fragmented communities caused by railroad barriers, facilitating smoother and more integrated urban development. This initiative emphasizes the city’s commitment to enhancing transportation infrastructure, which is foundational to urban life.

Important Dates


The scheduled construction will take place from the late-night service on June 28 to the early morning service on June 29. In case of inclement weather or other unforeseen circumstances, an alternative date is set for July 5th, during the same late-night to early-morning window. Importantly, these upgrades are designed to proceed without disrupting any train services, allowing passengers to continue their journeys seamlessly throughout the transition.

Community Engagement


In preparation for this switch, there will be a facility tour organized for local residents and stakeholders to provide insight into the project. Details of this tour and additional resources can be found on the official Seibu Railway Co. website. The local engagement not only informs citizens but also fosters community spirit, inviting public interest in transportation advancements.

Future Improvements


Following the completion of the Seibu Shinjuku Line's downward elevation, the focus will shift toward elevating the Kokubunji and Seibu En Lines as well as the upward segment of the Shinjuku Line. The continued commitment to these developments forms an essential part of Tokyo’s strategy to enhance its roadway network, initiative which seeks to showcase the city’s robust growth and infrastructural innovation. This phased approach will ensure gradual expansions, allowing for strategic transportation alleviation as rail crossings are systematically removed.

Contact Information


For further inquiries regarding the elevated construction project, residents and interested parties can reach the Tokyo Metropolitan Bureau of Construction, Department of Road Construction, Railway-related Business Section via phone at 03-5320-5334 or email at S0000413(at)section.metro.tokyo.jp.

Please replace (at) with @ when using the email address for communication.

This upgrade to the Seibu Shinjuku Line underscores Tokyo’s proactive measures to enhance public transportation and improve urban living standards, setting a progressive example for metropolitan areas worldwide.

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