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15-16 Basic Statistics on National Railways in Operation
Item
1985
1990
1995
2000
2001
2002
Length of Railways in Operation (km)
52119
53378
54616
58656
59079
59530
In Formal Operation
49433
50310
50866
51262
54013
54422
In Temporary Operation
2686
3068
3750
7394
5066
5108
Proportion of the Length in Formal
94.8
94.3
93.1
87.4
91.4
91.4
Operation
Double-Tracking Length (km)
9989
13024
16909
21408
22640
23058
As Percentage of the Length of Railways
19.2
24.4
31.0
36.5
38.3
38.7
in Operation
Length of Electrified Railways (km)
4151
6941
9703
14864
16877
17409
As Percentage of Railways in Operation
8.0
13.0
17.8
25.3
28.6
29.2
Length of Diesel Engine Routes (km)
10822
16097
24749
39497
40466
42121
As Percentage of Railways in Operation
20.8
30.2
45.3
67.3
68.5
70.8
Length under Centralized Traffic Control (km)
1307
1169
1226
1200
1163
1401
As Percentage of Railways in Operation
2.5
2.2
2.2
2.0
2.0
2.4
Automatic Blocking Length (km)
6921
10370
12910
18318
18845
20682
As Percentage of Railways in Operation
13.3
19.4
23.6
31.2
31.9
34.7
Semi-automatic Blocking Length (km)
42625
38832
40859
41695
41336
39990
As Percentage of Railways in Operation
81.8
72.7
74.8
71.1
70.0
67.2
Length of Continuous Welded Rail (km)
10439
14644
21854
29975
32502
35967
As Percentage of the Trunk Lines
16.7
21.7
40.0
51.1
39.0
42.7
Number of Stations with Electric
2320
3535
4587
5232
5288
5278
Interlocking (unit)
As Percentage of Railways Stations
46.9
62.9
73.9
90.4
91.6
91.8
in Operation
