15-5 QUALITY OF TRANSPORTATION ROUTES

Item

1978

1990

1995

1997

1998

Length of Railways in Operation (km)

48618

53378

54616

57566

57584

# Double-Tracking Length (km)

7630

13024

16909

19046

19673

Proportion

15.7

24.4

31

33.1

34.2

# Automatic Blocking Length (km)

5981

10370

12910

17344

21042

Proportion

12.3

19.4

23.6

29.2

36.5

Length of Highways (km)

890236

1028348

1157009

1226405

1278474

# Paved Highways (km)

651068

883464

1043390

997496

1190086

Proportion

73.1

85.9

90.2

81.3

93.1

Length of Navigable Inland Waterways (km)

135952

109192

110562

109827

110263

# Depths of One Meter and Over (km)

57408

60358

64323

64328

66682

Proportion

42.2

55.4

58.2

58.6

60.5