% 1949 Sep.15 Operation of express train "Heiwa" opened between Tokyo and Osaka
% 1950 Jan. 1 "Heiwa" renamed back to "Tsubame"
% 1950 Mar. 1 "Shonan electric train" (electric multiple unit) introduced between Tokyo and Numazu
% 1950 May.11 Operation of express train "Hato" introduced between Tokyo and Osaka
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% 1953 Oct.10 Completion of diesel (hydraulic) car Kiha45000 type
% 1954 Jan. 6 The construction of Seikan tunnel started
% 1956 Nov.19 Completion of electrification on Tokaido line between Tokyo and Kobe)
% (Tokyo - Osaka in 7 hours 30 minutes)
% 1957 May.25 The project of Super express train linking Tokyo to Osaka in three hours announced by Railway Technical Research Institute
% 1957 Sep.25 Inauguration of Senzan line between Sendai and Sakunami hauled AC electric locomotive
% (The first AC electrification)
% 1958 Nov. 1 Operation of limited express train "Kodama" introduced between Tokyo and Kobe via Osaka
% (Tokyo - Osaka 6 hours 30 minutes(1960))
% 1960 Feb. 1 Seat reservation system (MARS-1) installed at Tokyo ticket center
% 1960 Jul. 1 Three passengers class chenged to two class
% 1960 Nov.13 A world record of 175km/h on narrow gauge marked by a catenary testing car
% 1960 Dec.10 The first express train "Hatsukari" operated by diesel car on Tohoku line between Ueno and Aomori
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% 1964 Sep.24 Inauguraion of Tokaido Shinkansen service between Tokyo and Shin-Osaka
% (Tokyo - Osaka 3 hours 10 minutes(1965))
% 1965 Oct. 1 "Midori-no-Madoguchi"(the ticket booking counter) set up at main station and JTB(Japan travel Bureau)
% (Seat reservation system MARS-102 installed)
% 1966 Apr.20 Completion of ATS(Automatic train stop device) on all lines in JNR. All the trains operated with ATS equipment
% 1969 May.10 JNR abolishes fare class system
% Passenger fare unified
% 1970 Jul. 1 Honshu-Shikoku Bridge Public Cooperation established
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% 1972 Mar.15 Inauguration of Sanyo Sinkansen between Shin-Osaka and Okayama
% 1972 Oct.14 Ceremony marking of the 100th anniversary in Japan held
% 1975 Mar.10 Inauguration of Sanyo Shinkansen between Okayama and Hakata
% 1977 Apr.16 Miyazaki Maglev Test Center opened
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% 1982 Jun.23 Inauguraion of Tohoku Shinkansen between Omiya and Morioka
% 1982 Nov.15 Inauguraion of Joetsu Shinkansen between Omiya and Nigata
% 1985 Mar.14 Inauguraion of Tohoku and Joetsu shinkansen between Ueno and Omiya
% 1986 Dec. 4 8 JNR Reform Laws promulgated
% 1986 Dec.10 The Ministry of Transport authorizes Railway Technology Research Institute(RTRI) as a research foundation
% 1987 Apr. 1 JNR divided and privatized into 6 passengers railway companies(Hokkaido, East, Central, West, Shikoku, Kyushu) and at freight company
% 1988 Mar.13 Inauguraion of Seikan Tunnel between Honshu and Hokkaido
% 1988 Apr.10 Inauguraion of Seto Bridge between Honshu and Shikoku
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Reference
Noda, Masaho; Harada, Katsumasa; Aoki, Eiichi; Oikawa, Yoshinobu. "Japanese railway - the establishment and development" Railway History Series 2(In Japanese). Nihon Keizai Shinbunsha. Tokyo
JNR ed. "Japanese National Railways' history -- by photographes"
