• About use of site
• site map

Maintenance, repair, materials, machinery

• Investigation, diagnosis and repair technology in girder narrow space NSRV method
• Bridge extension device Koyuma still water construction method

Snow and ice management

• Trapezoid delineator for cold climates Beam guide

Traffic management/facility equipment

• Lost property prevention tray
• Wire rope type fence fence emergency cutter
• Wedge hump (Reverse run prevention device)

その他

• Straddling Expressway bridge (over the bridge) inspection business
• Road maintenance work (maintenance repair, road inspection, equipment maintenance inspection, etc.)
• Technical services tailored to customer needs

• East Japan Expressway Co., Ltd.
• NEXCO Engineering Hokkaido Co., Ltd.
• NEXCO Maintenance Hokkaido Co., Ltd.
• NEXCO Engineering Tohoku Co., Ltd.
• NEXCO Maintenance Tohoku Co., Ltd.
• NEXCO East Japan Engineering Co., Ltd.
• NEXCO Maintenance Kanto Co., Ltd.
• ㈱ネクスコ・エンジニアリング新潟
• NEXCO Maintenance Co., Ltd. Niigata
• NEXCO Support Co., Ltd. Niigata

Related Links

• Business area (internal view)
• Expressway construction and management
• TI network
• Corporate Group
•