The story
History
1 April 1987: Upon the privatization of the Japanese National Railways (JNR), the Hokkaido Railway Company was formed
25 October 2008: Kitaca contactless smart card introduced in Sapporo area
26 March 2016: First Hokkaido Shinkansen service between Shin-Aomori and Shin-Hakodate-Hokuto launched.
Former JNR lines closed before JR Hokkaido formation
These lines have been closed by JNR in Hokkaido before 1 April 1987.
Aioi Line
Bihoro - Kitami-Aioi 36.8 km (22.9 mi) closed on 1 April 1985
Bikō Line
Bifuka - Niupu 21.2 km (13.2 mi) closed on 17 September 1985
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Haboro Line
Rumoi - Horonobe 141.1 km (87.7 mi) closed on 30 March 1987
Hiroo Line
Obihiro - Hiroo 84.0 km (52.2 mi) closed on 2 February 1987
Iburi Line
Kutchan - Datemombetsu 83.0 km (51.6 mi) and Kyōgoku - Wakikata 7.5 km (4.7 mi) closed on 11 November 1986
Iwanai Line
Kozawa - Iwanai 14.9 km (9.3 mi) closed on 1 September 1985
Kōhin'hoku Line
Hama-Tombetsu - Kitami-Esashi 30.4 km (18.9 mi) closed on 1 July 1985
Kōhin'nan Line
Ōmu - Okoppe 19.9 km (12.4 mi) closed on 15 July 1985
Konpoku Line
Shiretoko-Shari - Koshikawa 12.8 km (8.0 mi) closed on 1 December 1970
Manji Line
Shibun - Manji-Tanzan 23.8 km (14.8 mi) closed on 1 April 1985
Setana Line
Kunnui - Setana 48.4 km (30.1 mi) closed on 16 March 1987
Shihoro Line
Obihiro - Tokachi-Mitsumata 78.3 km (48.7 mi) closed on 23 March 1987
Shiranuka Line
Shiranuka - Hokushin 33.1 km (20.6 mi) closed on 23 October 1983
Shokotsu Line
Shokotsu - Kitami-Takinoue 34.3 km (21.3 mi) closed on 1 April 1985
Temiya Line
Minami-Otaru - Temiya 2.8 km (1.7 mi) closed on 5 November 1985
Tomiuchi Line
Mukawa - Hidakachō 82.5 km (51.3 mi) closed on 1 November 1986
Yūmō Line
Naka-Yūbetsu - Abashiri 121.8 km (75.7 mi) closed on 20 March 1987
Sasshō Line
Shin-Totsukawa - Ishikari-Numata 34.9 km (21.7 mi) closed on 19 June 1972
Limited Express Services
Hokuto
Sapporo - Hakodate
Tokachi
Sapporo - Obihiro
Ozora
Sapporo - Kushiro
Okhotsk
Sapporo - Abashiri
Soya
Sapporo - Wakkanai
Suzuran
Sapporo - Muroran
Kamui & Lilac
Sapporo - Asahikawa
Sarobetsu
Asahikawa - Wakkanai
From Wikipedia’s article on Hokkaido Railway Company, shared under CC BY-SA 4.0.3