The station consists of a one ground-level
island platform and one
side platform, connected to the station building by a footbridge. The station has a
Midori no Madoguchi staffed ticket office.
Platforms Shinonoi-STA Gate.jpg|Ticket gate, October 2021 Shinonoi-STA Ticket.jpg|Ticket vending machine, October 2021 JREast-Shinetsu-main-line-Shinonoi-station-platform-20110906-155742.jpg|Platforms, September 2011 == History ==