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1980年1月1日,苏联电气化铁路里程达到42,434公里,占全国铁路营业里程的30％。其中,16,900公里线路为交流27.5千伏(包括奥尔沙—维亚兹马区段296公里2×27.5千伏系统),25,534公里线路为直流3.3千伏。奥尔沙—莫斯科—古比雪夫—车里亚宾斯克—新西伯利亚—赤塔—克里木大干线,长度超过7千公里。1978年苏联电力牵引完成运输工作的比重占53.6％,内燃牵引完成比重占46.3％,蒸汽牵引完成比重占0.1％。1979年,铁路网的平均货运密度为2,530万净吨,在电气化线路上为4,630万净吨,在内燃牵引线路上的平均货运密度为1,700万净吨。有6,500公里以上的特别繁忙的电气化线路,平均货运密度超过一亿净吨。内燃牵引最繁忙的线路,货运密度为5,500
January 1, 1980, the Soviet Union electrified railway mileage reached 42,434 kilometers, accounting for 30% of the national railway mileage. Of these, the 27,900 km line is 27.5 kV AC (including the 296 km 2 × 27.5 kV system in the Orsha-Vyazma zone) and the 25,534 km line is 3.3 kV DC. Orsha - Moscow - Kuibishev - Chelyabinsk - Novosibirsk - Chita - Klimu line, more than 7,000 km in length. In 1978, Soviet Union accounted for 53.6% of the electric traction to complete the transport work, 46.3% of the total internal combustion traction and 0.1% of the steam traction. In 1979, the average freight density of the railway network was 25.3 million net tons, 46.3 million tons on electrified lines and 17 million net tons on internal combustion traction lines. Over 6,500 kilometers of particularly busy electrified lines have an average cargo density of over 100 million net tons. The most heavily-burnt line with internal combustion has a cargo density of 5,500