All seats are non-reserved, except for car 4, which has upgraded "u-Seat" accommodation, including AC outlets for personal use.

[6] Typical 711 series EMU Kamui express formations were formed as shown below as of 1 October 1969, with car 1 at the Asahikawa end.

[8] Prior to this, two limited express trains, the Lilac and the Super White Arrow, ran on the same route between Sapporo and Asahikawa.

[9] On 29 January 2010, the Super Kamui 24 service from Asahikawa to Sapporo was derailed after hitting a truck at a level crossing on the Hakodate Main Line between Fukagawa and Moseushi.

[10] The five-car 789-1000 series set involved, HL-1005, was taken out of service due to damage and was officially withdrawn on 24 March 2011.