The 700 series Shinkansen high-speed train was jointly developed by JR Central and JR-West for use on both Tokaido and Sanyo Shinkansen lines. The 700 series was built between 1997 and 2006, and entering service in 1999.
16-car units are painted white with blue stripes beneath the windows and are used for Nozomi, Hikari, and Kodama services on the Tokaido and Sanyo Shinkansen lines. The 8-car units are used for the Sanyo Shinkansen Hikari Rail Star services and have a darker livery, grey with a black and yellow stripe along the windows.
Two Class 923 “Doctor Yellow” trains are based on the 700 series design are used for track and overhead wire diagnostic work on the Tokaido and Sanyo Shinkansen lines. Both the 800 series and Taiwan High Speed 700T were directly developed from the 700 series. The N700 series is also developed from the 700 series.