Information on proximity consultations on subways

In order to prevent the impact on subway structures and ensure the safety of train operations and customers when conducting construction work close to the subway, etc.
Please hold close consultation with Transportation Bureau before starting construction.
※The content of the proximity consultation varies depending on the location and depth of the subway, the size of the structure you are building, the construction method, and the structure.

If you are planning a construction plan next, please contact us about the necessity of proximity consultation.

• New construction and removal of buildings
• Land modification (cut, embankment, ground improvement)
• Construction involving drilling
• Installation of foundation piles
• Construction near ground structures (viaducts, embankments, digging), construction using scaffolding, heavy equipment, etc.
• Infrastructure construction

※Please contact us separately for urban area maintenance projects such as land readjustment projects and construction with large-diameter shields.

For inquiries, please use the "Proximity Consultation Inquiry Reception Form".
Proximity Consultation Inquiry Reception Form (outside site)
From the day after the reception to 3 business days (excluding weekends, holidays, and closed days), the person in charge will reply by e-mail to the necessity of close consultation.
If you do not have an answer, please contact the Transportation Bureau Facility Division (proximity consultation staff).

19th floor of 10 City Hall at 6-50 Honcho, Naka-ku, Yokohama City
City of Yokohama, Transportation Bureau Construction Department Facilities Division
Phone number: 045-671-3145
Email: kt-kinsetsu@city.yokohama.jp

※For inquiries regarding the necessity of proximity consultation, please use the "Proximity Consultation Inquiry Reception Form".
　Proximity Consultation Inquiry Form (outside site)

　After the reception, the person in charge will reply by e-mail the necessity of close consultation.

※When you come to the agency, there may be times when the person in charge is absent, so please call us and come.