In a significant development for rail safety, JR East has partnered with the Railway Technical Research Institute to create earthquake countermeasure dampers designed to mitigate the risk of derailments during seismic events. These dampers, which will be the first of their kind implemented in Japan, aim to stabilize the body of the Shinkansen trains, enhancing both passenger comfort and safety. The introduction of these dampers is set to begin in 2027, with plans to equip about 130 train sets including the Hayabusa and Komachi over a span of five years.

This initiative follows several past incidents where Shinkansen trains derailed during earthquakes, most notably during the 2004 Niigata Prefecture Chuetsu Earthquake and the 2022 earthquake off the coast of Fukushima Prefecture. In these events, severe lateral shaking caused the train bodies to sway significantly, leading to the wheels lifting off the tracks. The new damper technology aims to address these specific issues by absorbing not only minor vibrations during regular operations but also the larger movements induced by earthquakes, thereby significantly reducing the chances of derailment.

Testing has shown that the dampers can potentially decrease derailment risks by up to 50% during simulated conditions equivalent to the Chuetsu Earthquake. JR East's introduction of this advanced technology underscores the company's commitment to improving the safety of its services and protecting passengers from the unpredictable nature of seismic activity, which is an ever-present challenge in Japan.