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16-5  Quality of Transport Routes
Item
1990
1995
2000
2003
2004
Length of National Railways in Operation (km)
53378
54616
58656
60446
61015
Double-Tracking Length                    (km)
13024
16909
21408
23702
23841
Proportion                                       (%)
24.4
31.0
36.5
39.2
39.1
Automatic Blocking Length                 (km)
10370
12910
18318
21920
22724
Proportion                                       (%)
19.4
23.6
31.2
36.3
37.2
Length of Highways                              (km)
1028348
1157009
1402698
1809828
1870661
Expressway and Class I to IV Highway (km)
741040
910754
1216013
1438738
1515826
Proportion                                        (%)
72.1
78.7
86.7
79.5
81.0
Length of Navigable Inland Waterways (km)
109192
110562
119325
123964
123337
Standard Waterways                         (km)
56587
61367
60865
60842
Proportion                                       (%)
51.2
51.4
49.1
49.3
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