The Tōkaidō Main Line (東海道本線 Tōkaidō-honsen) is one of trunk lines of JR, connecting Tokyo station[?] and Kobe station. Tokaido Shinkansen[?] runs along this line.

The Tokaido Main Line is operated by the following three JR companies:

• East Japan Railway Company (Tokyo[?]-Atami[?])
• Central Japan Railway Company[?] (Atami[?]-Maibara[?])
• West Japan Railway Company (Maibara[?]-Kobe[?])