Central Nippon Expressway Company Limited Tokyo Regional Head Office Hadano Construction Office (Hadano City, Kanagawa Prefecture, Director, Isao Nagahama), on June 29, 2016, Shin-Tomei Expwy Kanagawa Prefecture West Groundwater Countermeasures Committee (Chair: Imada Toru Tokyo Metropolitan University was held.
The committee, when constructing the Shin-Tomei Expwy (west Kanagawa Prefecture), based on the status of groundwater and springs (hereinafter referred to as "groundwater") around the planned route, and the investigations and studies that have been conducted so far. We discussed about conservation measures and future plans.

• (1) Hydrological observation results in Hadano City
• (2) Conservation measures for Hadano groundwater basin
• (3) Examination of impacts in the areas of Matsuda and Yamakita
• (4) Conservation measures for Matsuda and Yamakita towns