Length of Transportation Routes
(10 000 km)  
Year Length of
Railways in
Operation		   Length of
Highways		   Length of
Navigable
Inland
Waterways		 Length of
Civil
Aviation
Routes		   Length of
Petroleum
and Gas
Pipelines
National Electrified
Railways		 Expressways International
Routes
1978 5.17 0.10 89.02   13.60 14.89 5.53 0.83
1980 5.33 0.17 88.33   10.85 19.53 8.12 0.87
1981 5.39 0.17 89.75   10.87 21.83 8.28 0.97
1982 5.29 0.18 90.70   10.86 23.27 9.99 1.04
1983 5.41 0.23 91.51   10.89 22.91 9.99 1.08
1984 5.45 0.30 92.67   10.93 26.02 10.74 1.10
1985 5.50 0.42 94.24   10.91 27.72 10.60 1.17
1986 5.57 0.44 96.28   10.94 32.43 10.76 1.30
1987 5.58 0.46 98.22   10.98 38.91 14.89 1.38
1988 5.61 0.57 99.96 0.01 10.94 37.38 12.83 1.43
1989 5.69 0.64 101.43 0.03 10.90 47.19 16.64 1.51
1990 5.78 0.69 102.83 0.05 10.92 50.68 16.64 1.59
1991 5.78 0.78 104.11 0.06 10.97 55.91 17.74 1.62
1992 5.81 0.84 105.67 0.07 10.97 83.66 30.30 1.59
1993 5.86 0.89 108.35 0.11 11.02 96.08 27.87 1.64
1994 5.90 0.90 111.78 0.16 10.27 104.56 35.19 1.68
1995 5.97 0.97 115.70 0.21 11.06 112.90 34.82 1.72
1996 6.49 1.01 118.58 0.34 11.08 116.65 38.63 1.93
1997 6.60 1.20 122.64 0.48 10.98 142.50 50.44 2.04
1998 6.64 1.30 127.85 0.87 11.03 150.58 50.44 2.31
1999 6.74 1.40 135.17 1.16 11.65 152.22 52.33 2.49
2000 6.87 1.49 140.27 1.63 11.93 150.29 50.84 2.47
2001 7.01 1.69 169.80 1.94 12.15 155.36 51.69 2.76
2002 7.19 1.74 176.52 2.51 12.16 163.77 57.45 2.98
2003 7.30   180.98 2.97 12.40 174.95 71.50 3.26