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Japan Antitrust Regulator Plans $3.3 Million in Penalties Over Railway Bid-Rigging

By  |  October 14, 2026
Japan Antitrust Regulator Plans $3.3 Million in Penalties Over Railway Bid-Rigging

Japan’s competition regulator is preparing to take enforcement action against six construction companies suspected of manipulating bids for railway maintenance contracts, with five of the firms facing combined financial penalties of approximately 500 million yen ($3.3 million), according to a report published Wednesday by News On Japan.

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    The Japan Fair Trade Commission plans to issue cease-and-desist orders against the six contractors for alleged violations of the country’s Antimonopoly Act, the publication reported, citing information originally reported by Japanese broadcaster TBS.

    The investigation centers on maintenance projects commissioned by the Tokyo Metropolitan Bureau of Transportation, which operates the capital’s Toei subway system. The contracts covered six railway lines, including Toei routes, according to the report.

    Investigators suspect the companies repeatedly coordinated their tender submissions by agreeing in advance which contractor would secure particular projects, rather than allowing the contracts to be awarded through independent competitive bidding.

    Among the companies identified in the report are Tokyo-based Totetsu Kogyo and Tsuboi Corporation, along with Sanki Construction, based in Fukuoka Prefecture. The group also includes businesses affiliated with Japan Railways.

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    The commission’s planned action would require all six companies to take corrective measures intended to prevent further violations, while five would face administrative surcharges totaling roughly 500 million yen, News On Japan reported.

    The proposed penalties represent a significant regulatory response to suspected collusion in railway infrastructure procurement, an area in which competitive bidding is intended to ensure fair pricing and transparent contract awards.

    The investigation has also extended to the Tokyo Metropolitan Bureau of Transportation, the public agency responsible for awarding the contracts. According to News On Japan, the commission has examined the bureau’s role in the procurement process as part of its broader inquiry.

    The report did not specify whether the transportation bureau itself would face sanctions or identify the individual financial penalties expected to be imposed on each contractor.

    The anticipated enforcement action comes as Japanese authorities seek to address suspected anticompetitive conduct in public infrastructure contracting. Agreements among bidders to determine contract winners can restrict competition and weaken safeguards designed to protect public spending.

    The commission’s planned orders would require the companies to implement measures aimed at preventing similar conduct in future procurement processes.

    Source: News On Japan