Length of Transport Routes in Major Years
(km)
Year Length of
Railways in
operation		 Length of
 Highways in
Operation		 　 Length of
Navigabe Inland
Waterways		 　
In Operation
Regardless of
Weather		 In Operation
for Motor
Vessels
　 　 　 　 　 　
1949 887 3152 65 1082
1952 954 7669 170 1459 409
1955 956 9070 667 1459 409
1957 1154 13425 2115 1642 1063
1962 1168 15766 4189 2179 1353
1965 1208 22176 5669 1827 1310
1970 1276 29159 12666 1821 1629
1975 1275 31712 20212 1876 1764
1976 1386 32978 21645 2118 1802
1977 1386 33629 23636 2343 1811
1978 1385 34244 25289 2403 1880
1979 1388 35139 26106 1972 1953
1980 1411 35311 26544 1970 1736
1981 1582 35292 27284 1849 1712
1982 1565 35504 27875 1859 1722
1983 1565 35722 28480 1859 1722
1984 1569 35935 29427 1859 1725
1985 1572 36327 30250 1840 1706
1986 2041 37005 31286 1840 1706
1987 2042 37530 32468 1840 1706
1988 2042 38759 34057 1840 1706
1989 2042 39783 35557 1840 1706
1990 2041 40772 37015 1840 1706
1991 2042 41937 39081 1891 1780
1992 2048 43134 40612 1891 1780
1993 2048 46033 43992 1891 1780
1994 2048 50225 48385 1891 1780
1995 2048 54243 52702 1891 1780
1996 2620 57271 55882 1891 1780
1997 2721 59260 58028 1414 1302
1998 2658 64145 63142 1414 1302
1999 2672 67847 67055 1476  
2000 2672 70686 70038 1476  
2001 2709 71128 70701 1476  
2002 2709 74029 73665 1476  
2003 3236 76266 75948 1012  
2004 3348 77768 77483 1012  
2005 3402 80132 79854 1012  
2006 3405 204911 203363 1012
2007 3379 212236 211279 1012
2008 3329 220687 219525 1012
2009 3620 226693 225235 1012
2010 3833 229858 228906 1150
2011 4177 233189 232264 1150
2012 4306 244586 243779 1150
2013 4397 252785 252066 1150
2014 4546 259514 259031 1150
2015 4863 263447 262986 1150
　 　 　 　 　 　
a)Length of highways includes that of village-level highways since 2006.