During typhoons and major storms
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Can metro facilities be affected by strong winds?
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While Tokyo Metro is an operator of an underground rail service, seven out of our nine routes feature stretches that are above ground. Furthermore, there are also stretches of track and other rail facilities above ground that we share with other rail operators, and as such we can be impacted by strong winds. During strong winds, train schedules may become disrupted due to trains having to reduce their speed or due to temporary suspension of operations.
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Will the underground sections not flood?
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In the event of heavy rains, we protect our facilities against flooding by using water-stop plates and waterproof doors at entrances/exits to stations, flooding-prevention devices at ventilation ports and watertight gates at tunnels. Regular rain and ground water does accumulate underground, but drainage pumps automatically pump this water to authorized rivers and sewage systems.
- Highlight
- Appropriate Responses to Weather Conditions
The control center, which manages our transportation system, constantly gathers weather information and monitors the anemometers installed above ground. If the weather conditions deteriorate, the control center will promptly determine service restrictions (restrictions on speed and sections of track) or whether to operate the flooding-prevention devices installed at air vents.
Please note that in the event of a typhoon approaching nearby or passing over, services running on above-ground sections of track may be temporarily halted for a prolonged period.
*In order to prepare for flooding of the Arakawa River, we are participants in a special committee dedicated to preparing a preliminary disaster prevention action plan for the downstream section of the Arakawa river.
Arakawa Downstream Timeline (Preliminary Disaster Prevention Action Plan) (Japanese)
