Enforcement record
Administrative Guidance against 大井川鐵道株式会社
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View company profileAction type
Administrative Guidance
Law
Railway Business Act
Authority
Action date
25 March 2025
Current page: Enforcement record
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Public-source and preservation status
- Publishing authority
- Official source URL
- Recorded by RegBase
- Entity match
- Confirmed against the current entity-resolution policy
- Kiroku preservation
- Completed archive verified
- Captured: Jul 11, 2026, 09:34 PM JST
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Action summary
- Company
- 大井川鐵道株式会社Japanese originalOriginal: 大井川鐵道株式会社Corporate Number: 1080001013422
- Entity match
- Confirmed entity match100/100Machine checkedsource_corporate_number_nta_current_name国税庁法人番号データとの独立照合で対象法人を確認しました(source_corporate_number_nta_current_name)。
- Governing law
- Railway Business Act鉄道事業法
- Action type
- Administrative Guidance行政指導
- Action date
- 25 March 2025
- Issuing authority
- Industry context
- 鉄道事業者
Violation
Between October 7 and 9, 2024, the Shizuoka Prefectural Transport Bureau conducted a safety audit of Oigawa Railway Co., Ltd. The audit revealed that the company had not conducted inspections of track material wear during switch inspections as required by Article 41 of the Civil Engineering Standards for Track Inspection. Additionally, it was confirmed that the E34 electric locomotive exceeded the inspection cycle stipulated in the Standards for State Function Inspection under Article 36 of the Vehicle Standards. The bureau instructed the company to implement necessary corrective actions, including education, training, and establishing a system to properly monitor inspection status, and to ensure regular and proper vehicle inspections. The company must report the measures taken by April 25, 2025.
Show original Japanese text
令和6年10月7日(月)から9日(水)まで、貴社に対して保安監査を実施したところであるが、監査の結果、改善を要する事項が認められたことから、下記の事項について、改善措置を講ずるよう指示する。 改善措置を講ずるにあたっては、発生した背後要因を含めて原因を究明したうえで、再発防止のための措置を講ずること。 なお、講じた措置については、令和7年4月25日までに報告されたい。 記 1.実施基準(土木編)第41条に規定する軌道の定期検査について、軌道材料検査の分岐器検査における軌道材料の摩耗の状態についての検査を実施していないことを確認した。 よって、分岐器検査が確実に実施されるよう、土木施設の定期検査に関する教育及び訓練の実施や検査実施状況を適切に把握できる体制の構築など、必要な措置を講ずること。 2.実施基準(車両編)第36条で定める状態機能検査について、E34電気機関車に関し、同実施基準に定める検査周期を超過していたことを確認した。 よって、車両の定期検査を適切に実施及び管理できるよう必要な措置を講ずること。 以上 【中部運輸局】
Business location and permit details
- Business location address
- 静岡県島田市
- Legal articles
- 鉄道に関する技術上の基準を定める省令
- Overview page
- https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=tetudou&EID=search&no=186
These fields are extracted from the original Japanese disclosure or linked overview pages when available.
Compliance context
Low-mediumAdministrative guidance or supervision was publicly disclosed by the authority.
Japanese regulatory disclosure under Railway Business Act.
Use as a monitoring signal. Confirm details before treating it as a formal sanction.
This context is an operational aid for review workflows, not a credit opinion or legal conclusion.
Open original sources and verification detailsOfficial URL, direct PDF, and Kiroku archive
- Extracted at
- 2026-07-17T09:22:09.259+00:00
- Evidence checked
- 2026-07-17T09:22:09.104+00:00
- Archive captured
- 2026-07-11T12:34:06.443095+00:00
Show audit JSON
{
"record": {
"id": "8d10820d-47e4-473d-8e53-57e12ce956bf",
"url": "https://regbase.jp/en/enforcement/8d10820d-47e4-473d-8e53-57e12ce956bf",
"company_name_original": "大井川鐵道株式会社",
"company_name_registry": "大井川鐵道株式会社",
"corporate_number": "1080001013422",
"law": {
"ja": "鉄道事業法",
"en": "Railway Business Act"
},
"action_type": {
"ja": "行政指導",
"en": "Administrative Guidance"
},
"authority": {
"ja": "",
"en": ""
}
},
"entity_match": {
"status": "confirmed",
"confidence": 100,
"method": "source_corporate_number_nta_current_name",
"method_label": "source_corporate_number_nta_current_name",
"notes": "国税庁法人番号データとの独立照合で対象法人を確認しました(source_corporate_number_nta_current_name)。"
},
"review": {
"status": "machine_reviewed",
"label": "Machine checked"
},
"compliance_context": {
"severity": "Low-medium",
"actionMeaning": "Administrative guidance or supervision was publicly disclosed by the authority.",
"practicalNote": "Use as a monitoring signal. Confirm details before treating it as a formal sanction.",
"lawContext": "Japanese regulatory disclosure under Railway Business Act."
},
"evidence": {
"recordUrl": "https://regbase.jp/en/enforcement/8d10820d-47e4-473d-8e53-57e12ce956bf",
"officialSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=tetudou&EID=search&no=186",
"officialDocumentUrl": null,
"archiveUrl": "https://kiroku.today/a/beda97f853gcfpdg",
"archivedSourceUrl": "https://www.mlit.go.jp/nega-inf/cgi-bin/search.cgi?jigyoubunya=tetudou&EID=search&no=186",
"archiveCapturedAt": "2026-07-11T12:34:06.443095+00:00",
"extractedAt": "2026-07-17T09:22:09.259+00:00",
"translatedAt": "2026-07-10T13:02:00.934+00:00",
"evidenceCheckedAt": "2026-07-17T09:22:09.104+00:00",
"generatedAt": "2026-09-08T15:56:20.507Z"
},
"limitations": [
"RegBase aggregates public Japanese government disclosures and does not provide a credit opinion.",
"English summaries are provided for reference. The original Japanese source is authoritative.",
"Possible or unresolved entity matches should be manually verified before use in a decision."
]
}The original Japanese disclosure is the authoritative record. Use possible or unresolved matches only as leads for manual review.
Language
日本語版を見る (Japanese)Company info
- English name
- 大井川鐵道株式会社 Japanese original
- Japanese name
- 大井川鐵道株式会社
- Corporate Number
- 1080001013422
- Registered address
- 静岡県島田市金谷東2丁目1112番地の2
Other confirmed records for this company
- Administrative Guidance31 Mar 2026
The Shizuoka District Transport Bureau issued administrative guidance to Oigawa Railway Co., Ltd. following a safety audit conducted in October and November 2025. The audit identified multiple deficiencies in railway facilities and maintenance practices, including discrepancies with construction plans, inadequate periodic inspections, and issues with train and tunnel safety assessments. The company is instructed to investigate root causes, implement corrective measures, and report by May 1, 2026, to prevent recurrence.
- Administrative Guidance31 Mar 2026
The Shizuoka District Transport Bureau issued administrative guidance to Oigawa Railway Co., Ltd. following a safety audit conducted in October and November 2025. The audit identified multiple deficiencies in railway facilities and maintenance practices, including discrepancies between construction plans and actual facilities, inadequate periodic inspections, and issues with vehicle and tunnel safety assessments. The company is instructed to investigate causes, implement corrective measures, and report by May 1, 2026, to prevent recurrence and ensure proper facility maintenance and safety compliance.
- Administrative Guidance25 Mar 2025
The Chubu Transportation Bureau issued administrative guidance to Oigawa Railway Co., Ltd. following a safety audit conducted from October 7 to 9, 2024. The audit identified deficiencies in track and vehicle inspections, specifically the failure to inspect track material wear during switch inspections and exceeding inspection cycles for E34 electric locomotives. The company is instructed to implement corrective measures, including education, training, and system improvements, and to report actions taken by April 25, 2025.
- Administrative Guidance3 Jul 2023
The Chubu Transportation Bureau conducted safety audits of Oigawa Railway Co., Ltd. from May 9 to May 12, 2023, identifying deficiencies in inspection and maintenance practices. The company was instructed to implement corrective measures, including reviewing inspection procedures and training staff, with a report due by August 3, 2023.
- Administrative Guidance4 Aug 2022
On May 21, 2022, a concrete fragment fell inside the First Kamekubo Tunnel between Kanzo Station and Ikawa Station on the Ikawa Line, impacting a train. The company reported that the most recent regular inspection rated the tunnel's condition as S. An audit conducted on June 8-10, 2022, identified issues in tunnel maintenance and management, requiring corrective actions. The company was instructed to verify and revise inspection standards, ensure accurate condition assessments, and improve management practices, including staff training, by September 5, 2022.
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About this recordAggregated and translated from public Japanese government disclosures. The English text is for reference only — authoritative content is the linked Japanese source.