East Coast Main Line | West Coast Main Line | New Line Cinema | Cunard Line | White Star Line | The Onedin Line | Maginot Line | Great Central Main Line | What's My Line? | Walk the Line | Stena Line | Line 13, Shanghai Metro | Line 13 | A Chorus Line | What's My Line | V/Line | branch line | Wirral Line | Siegfried Line | Midland Main Line | Gyeongbu Line | Line Renaud | Line Islands | Line 2 | Line 1, Beijing Subway | Line 1 | Green Line | Brighton Main Line | The Thin Red Line (1998 film) | The Thin Red Line |
The 300 subseries entered service on the Fukuchiyama Line, while shortened consists began running on the Nara Line, Kosei Line, Kusatsu Line, and on the Sanyō Main Line in the Okayama area on the Sunliner service.
This EMU was introduced in 1991 to replace ageing 103 series EMUs operating on the Fukuchiyama Line and the Katamachi Line.