Building disaster-resilient railways
First written in FY2016. 17 of 25 entries say "Advanced", first in FY2017. Latest entry: 2026-04-30.
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- 2026-04-30AdvancedEarnings
「We also pursued earthquake countermeasures, including seismic retrofitting of elevated bridge columns and electrification poles, measures to prevent Shinkansen trains from derailing, and the introduction into the conventional-line early earthquake warning system of undersea seismometer information from the Japan Trench Seaquake and Tsunami Warning Network, which is used in the Shinkansen early earthquake detection system.」
Seismic retrofitting, measures to prevent train derailments and the expansion of the early earthquake warning system’s coverage were advanced. - FY2024AdvancedAnnual report
「For localized heavy rainfall, we introduced radar-based rainfall restrictions across all conventional-line sections, adding this system, which precisely monitors rainfall and imposes operating restrictions, to the existing operating restrictions. As a flood countermeasure, we are also deploying the Rolling Stock Evacuation Decision Support System at rolling stock storage locations with a potential risk of flooding.」
Disaster countermeasures were made more specific through the introduction of radar-based rainfall restrictions across all conventional-line sections and the rollout of the Rolling Stock Evacuation Decision Support System. - FY2024-Q1RaisedAnnual report
「During the first-quarter consolidated accounting period, because the areas and facilities covered by the Large-Scale Earthquake Countermeasure Construction, a safety and stable-transport measure for the transportation business, were expanded, we changed the planned total to ¥689,192 million.」
The planned total for the Large-Scale Earthquake Countermeasure Construction increased to ¥689,192 million as the areas and facilities covered were expanded. - FY2023AdvancedAnnual report
「Regarding flood countermeasures, we are advancing risk-reduction initiatives, including deploying the Rolling Stock Evacuation Decision Support System at all 80 rolling stock storage locations with a potential risk of flooding and conducting rolling stock evacuation drills.」
The number of locations where the Rolling Stock Evacuation Decision Support System was deployed increased from the previous 78 to all 80 locations, and rolling stock evacuation drills were also conducted. - FY2022RaisedAnnual report
「Large-Scale Earthquake Countermeasure Construction 592,882 438,180 Internal funds June 2003 March 2024」
The planned total for the Large-Scale Earthquake Countermeasure Construction increased to ¥592,882 million from the ¥589,835 million disclosed previously. This reflects the expansion of the facilities and areas covered. - FY2022-Q3RaisedAnnual report
「During the third-quarter consolidated accounting period, because the areas and facilities covered by the Large-Scale Earthquake Countermeasure Construction, a safety and stable-transport measure for the transportation business, were expanded, we changed the planned total to ¥589,835 million.」
The planned total for the Large-Scale Earthquake Countermeasure Construction increased from the ¥569,381 million disclosed previously to ¥589,835 million as the areas and facilities covered were expanded. - FY2022-Q2AdvancedAnnual report
「From FY2021 through FY2023, we will carry out countermeasure construction at approximately 200 embankments, cut slopes and natural slopes along Shinkansen lines where heavy rainfall of record proportions or other events could cause landslides.」
In addition to seismic reinforcement and flood countermeasures, we specified the countermeasure construction planned for FY2021 through FY2023 at approximately 200 locations along Shinkansen lines exposed to landslide risk. - FY2022-Q1AdvancedAnnual report
「From FY2021 through FY2023, we will carry out countermeasure construction at approximately 200 embankments, cut slopes and natural slopes along Shinkansen lines where heavy rainfall of record proportions or other events could cause landslides.」
In addition to seismic reinforcement and flood countermeasures, we presented a plan to carry out landslide countermeasure construction from FY2021 through FY2023 at approximately 200 embankments, slopes and natural slopes along Shinkansen lines. - FY2021AdvancedAnnual report
「Regarding flood countermeasures, in light of damage caused by flooding of rivers and other events associated with Typhoon No. 19 in 2019, we are advancing risk-reduction initiatives, including deploying the Rolling Stock Evacuation Decision Support System at all 78 rolling stock storage locations with a potential risk of flooding and conducting rolling stock evacuation drills.」
In addition to seismic reinforcement, flood countermeasures in response to typhoon damage included deploying the Rolling Stock Evacuation Decision Support System at all 78 locations and conducting evacuation drills. - FY2021-Q3RaisedAnnual report
「During the third-quarter consolidated accounting period, because the areas and facilities covered by the Large-Scale Earthquake Countermeasure Construction, a safety and stable-transport measure for the transportation business, were expanded, we changed the planned total from ¥534,478 million to ¥569,381 million.」
The planned total for the Large-Scale Earthquake Countermeasure Construction increased from ¥534,478 million to ¥569,381 million as the areas and facilities covered were expanded. - FY2021-Q2AdvancedAnnual report
「In light of damage caused by flooding of rivers and other events associated with Typhoon No. 19 in 2019, we began operating the Rolling Stock Evacuation Decision Support System, which supports decisions on evacuating rolling stock.」
In addition to the existing seismic reinforcement and flood countermeasure studies, we reached the stage of beginning operation of a rolling stock evacuation decision support system in response to typhoon damage. - FY2021-Q1AdvancedAnnual report
「In light of damage caused by flooding of rivers and other events associated with Typhoon No. 19 in 2019, we formulated a policy on flood countermeasures for critical facilities and the evacuation of rolling stock.」
In addition to the existing seismic reinforcement and other measures, we moved on to formulating a policy on flood countermeasures for critical facilities and the evacuation of rolling stock in response to typhoon damage. - FY2020AdvancedAnnual report
「In light of damage caused by flooding of rivers and other events associated with Typhoon No. 19, we began specific studies of flood countermeasures for critical facilities and the evacuation of rolling stock.」
In addition to the existing seismic reinforcement and other measures, we moved on to examining flood countermeasures for critical facilities and the evacuation of rolling stock in response to typhoon damage. - FY2020-Q3AdvancedAnnual report
「In light of the extensive damage to facilities and other assets caused by flooding of rivers and other events associated with Typhoon No. 19, we began specific studies of flood countermeasures.」
For the development of a disaster-resilient railway, we moved on to specific studies of flood countermeasures in response to typhoon damage. - FY2020-Q1AdvancedAnnual report
「During the three-month period, because the areas and facilities covered by the Large-Scale Earthquake Countermeasure Construction, a safety and stable-transport measure for the transportation business, were expanded, we changed the planned total from ¥516,186 million to ¥534,478 million.」
The areas and facilities covered by the Large-Scale Earthquake Countermeasure Construction were expanded, increasing the planned total from ¥516,186 million to ¥534,478 million. - FY2019AdvancedAnnual report
「Platform screen doors had been installed at 36 stations, mainly on the Yamanote and Keihin-Tohoku–Negishi lines, by the end of FY2018, or at 41 stations when counted by rail line. We are proceeding with installation work under a policy of installing them at all stations on the major conventional lines in the Tokyo metropolitan area by around the end of FY2032, including the 243 stations already equipped, or 330 stations when counted by rail line.」
Platform screen door installation was completed at 36 stations, or 41 stations when counted by rail line, and work is continuing under a policy of installing them at 243 stations, or 330 stations by rail line, by around the end of FY2032. - FY2019-Q3AdvancedAnnual report
「During the nine-month period, because the areas and facilities covered by the Large-Scale Earthquake Countermeasure Construction, a safety and stable-transport measure for the transportation business, were expanded, we changed the planned total from ¥489,967 million to ¥516,186 million.」
The areas and facilities covered by the Large-Scale Earthquake Countermeasure Construction were expanded, and the planned total changed from ¥489,967 million to ¥516,186 million. - FY2019-Q1RestatedAnnual report
「In addition, assuming a major earthquake directly beneath the Tokyo metropolitan area or other such events, we proceeded with further seismic reinforcement covering expanded areas and facilities.」
In addition to the existing seismic reinforcement, we continue to implement measures covering expanded areas and facilities. - FY2018AdvancedAnnual report
「Regarding measures for large-scale earthquakes, we are proceeding generally as planned with seismic reinforcement measures totaling ¥300 billion, including work on elevated bridge columns on Shinkansen and conventional lines, brick arches, bridge piers and embankments. We are continuing the construction work while also planning and beginning further seismic reinforcement measures in response to the anticipated risk of a major earthquake directly beneath the Tokyo metropolitan area.」
While proceeding generally as planned with measures totaling ¥300 billion, we also began further seismic reinforcement measures covering expanded areas and facilities. - FY2018-Q3RestatedAnnual report
「Assuming a major earthquake directly beneath the Tokyo metropolitan area or other such events, we steadily proceeded with seismic reinforcement and related measures totaling ¥300 billion, with FY2012 through FY2016 designated as the priority development period. Approximately 80% of the total planned quantity was completed.」
We continue to disclose the status of the ¥300 billion in seismic reinforcement measures and the completion of approximately 80% of the total planned quantity. - FY2018-Q2AdvancedAnnual report
「To provide further seismic reinforcement in preparation for a major earthquake directly beneath the Tokyo metropolitan area or other such events, we expanded the areas and facilities covered based on the risk of damage to each facility and the impact on the relevant rail lines, and began implementing the measures.」
Based on the risk of damage to each facility and the impact on the relevant rail lines, we expanded the areas and facilities covered by seismic reinforcement and began implementing the measures. - FY2018-Q1AdvancedAnnual report
「As further seismic reinforcement measures in preparation for a major earthquake directly beneath the Tokyo metropolitan area or other such events, we proceeded with expanding the areas covered by measures already implemented and examining new measures, taking into account the risk of damage to each facility and the impact on the relevant rail lines.」
For existing seismic reinforcement measures, we moved on to expanding the areas covered and examining new measures based on the risk of damage and the impact on the relevant rail lines. - FY2017AdvancedAnnual report
「Assuming a major earthquake directly beneath the Tokyo metropolitan area or other such events, we steadily proceeded with seismic reinforcement and related measures totaling ¥300 billion, with FY2012 through FY2016 designated as the priority development period. As planned, 80% of the total planned quantity was completed by the end of the consolidated fiscal year.」
For the development of a disaster-resilient railway, we confirmed that 80% of the seismic reinforcement plan had been completed during the priority development period. - FY2017-Q3RestatedAnnual report
「Assuming a major earthquake directly beneath the Tokyo metropolitan area or other such events, we steadily proceeded with seismic reinforcement and related measures totaling ¥300 billion, with FY2012 through FY2016 designated as the priority development period.」
We continue to proceed with seismic reinforcement and related measures totaling ¥300 billion. No new completion rate has been disclosed. - FY2016First statedAnnual report
「Approximately 80% of the seismic reinforcement plan was expected to be completed by the end of FY2016.」
In addition to seismic reinforcement, we are proceeding with the renewal of aging facilities, including structures, track equipment and station buildings.