| Length of the Roads for the Whole Country | |||||||||||||
| Unit: Km | |||||||||||||
| Items | 1976 | 1980 | 1985 | 1990 | 1995 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
| Total Length of the roads | 11 462 | 12 223 | 12 383 | 13 971 | 18 363 | 25 090 | 25 090 | 32 625 | 31 204 | 31 209 | 33 861 | 35 260 | 36 831 |
| Tarred roads | 1 427 | 1 935 | 2 350 | 3 346 | 2 446 | 3 897 | 3 897 | 4 592 | 4 491 | 4 497 | 4 586[1] | 4 548 | 4 811 |
| Graveled roads | 4 371 | 4 174 | 3 253 | 4 775 | 5 138 | 5 315 | 5 315 | 9 661 | 10 097 | 10 097 | 11 608[2] | 11 981 | 12 572 |
| Earthen roads | 5 664 | 6 114 | 6 780 | 5 850 | 10 779 | 15 878 | 15 878 | 18 372 | 16 615 | 16 615 | 17 667[3] | 18 731 | 19 448 |
| Source: Ministry of Communication, Transport, Post and Construction | |||||||||||||