The is a railway line operated by East Japan Railway Company (JR East). It links in Katori, Chiba with in Kashima, Ibaraki. Services continue one station further past Kashimajingà « to on days when soccer matches are being held at the adjacent Kashima Soccer Stadium.
The line features 3 large bridges - the Tone River Railway Bridge over the Tone River, the Hitachitone River Railway Bridge over the Hitachitone River (the boundary between Chiba Prefecture and Ibaraki Prefecture), and the long Kitaura Railway Bridge over Lake Kitaura (itself part of Lake Kasumigaura, Japan's second largest lake).
All services commence from on the Narita Line (one stop, before Katori) then stop at all stations between Katori and Kashimajingà «. Trains operate approximately once per hour.
Kashima Line services continue one station further past Kashimajingà « to Kashima Soccer Stadium Station on days when soccer matches are being held at the adjacent Kashima Soccer Stadium, the home stadium of Kashima Antlers in J.League (Japan Professional Football League).
At Kashimajingà «, passengers can transfer to Kashima Rinkai Railway à Âarai Kashima Line trains to and . These trains also only stop at Kashima Soccer Stadium Station on days when soccer matches are being held.
Until 2015, the Limited Express Ayame service ran between Tokyo Station and Kashima Jingu once per day, from Kashima Jingu in every morning, from Tokyo in every night, stopping at all stations on the Kashima Line.
JR Freight also operates trains on the Kashima Line from the Tokyo area to the Kashima Rinkai Railway Kashima Rinkà  Line. Trains change direction at Kashima Soccer Stadium Station.
This line was planned as the main mass transportation method within the Kashima Industrial Zone along the southern coast of Ibaraki Prefecture, to connect with the Tokyo Metropolis.
SÃ Âbu Line (Rapid) through service