Project Unigauge, started on 1 April 1992,[1] is an ongoing effort by Indian Railways to convert and unify all rail gauges in India to 1,676 mm (5 ft 6 in) broad gauge.
Year | Gauge | ||||||
---|---|---|---|---|---|---|---|
Broad gauge
(1,676 mm (5 ft 6 in)) |
Metre gauge (MG)
(1,000 mm (3 ft 3+3⁄8 in)) |
Narrow gauges (NG) | All gauges | ||||
Route Km | Route share | Route Km | Route share | Route Km | Route share | Route Km | |
1947[2] | 25,170 | 46.14% | 24,153 | 44.28% | 5,225 | 9.58% | 54,548 |
1971 (Mar)[3] | 29,449 | 49.25% | 25,865 | 43.26% | 4,476 | 7.49% | 59,790 |
1972 (Mar)[3] | 30,041 | 50.01% | 25,550 | 42.54% | 4,476 | 7.45% | 60,067 |
1973 (Mar)[3] | 30,126 | 50.09% | 25,547 | 42.47% | 4,476 | 7.44% | 60,149 |
1974 (Mar)[3] | 30,210 | 50.15% | 25,548 | 42.41% | 4,476 | 7.43% | 60,234 |
1975 (Mar)[3] | 30,274 | 50.20% | 25,551 | 42.37% | 4,476 | 7.42% | 60,301 |
1976 (Mar)[3] | 30,497 | 50.65% | 25,427 | 42.23% | 4,292 | 7.13% | 60,216 |
1977 (Mar)[3] | 30,873 | 50.89% | 25,512 | 42.05% | 4,281 | 7.06% | 60,666 |
1978 (Mar)[3] | 30,909 | 50.93% | 25,503 | 42.02% | 4,281 | 7.05% | 60,693 |
1979 (Mar)[3] | 31,130 | 51.22% | 25,366 | 41.74% | 4,281 | 7.04% | 60,777 |
1980 (Mar)[3] | 31,228 | 51.25% | 25,424 | 41.72% | 4,281 | 7.03% | 60,933 |
1981 (Mar)[3] | 31,827 | 51.97% | 25,167 | 41.10% | 4,246 | 6.93% | 61,240 |
1982 (Mar)[3] | 32,290 | 52.74% | 24,694 | 40.33% | 4,246 | 6.93% | 61,230 |
1983 (Mar)[3] | 32,624 | 53.15% | 24,515 | 39.94% | 4,246 | 6.92% | 61,385 |
1984 (Mar)[3] | 32,700 | 53.21% | 24,514 | 39.89% | 4,246 | 6.91% | 61,460 |
1985 (Mar)[3] | 33,553 | 54.25% | 24,051 | 38.89% | 4,246 | 6.86% | 61,850 |
1986 (Mar)[3] | 33,669 | 54.45% | 23,921 | 38.68% | 4,246 | 6.87% | 61,836 |
1987 (Mar)[3] | 33,665 | 54.46% | 23,901 | 38.67% | 4,247 | 6.87% | 61,813 |
1988 (Mar)[3] | 33,832 | 54.59% | 23,898 | 38.56% | 4,246 | 6.85% | 61,976 |
1989 (Mar)[3] | 34,108 | 55.03% | 23,631 | 38.12% | 4,246 | 6.85% | 61,985 |
1990 (Mar)[3] | 34,544 | 55.53% | 23,599 | 37.93% | 4,068 | 6.54% | 62,211 |
1991 (Mar)[3] | 34,880 | 55.93% | 23,419 | 37.55% | 4,068 | 6.52% | 62,367 |
1992 (Mar)[3] | 35,109 | 56.21% | 23,283 | 37.28% | 4,066 | 6.51% | 62,458 |
1993 (Mar)[3] | 36,504 | 58.42% | 21,997 | 35.20% | 3,985 | 6.38% | 62,486 |
1994 (Mar)[3] | 37,824 | 60.56% | 20,653 | 33.06% | 3,985 | 6.38% | 62,462 |
1995 (Mar)[3] | 39,612 | 63.22% | 19,210 | 30.66% | 3,838 | 6.13% | 62,660 |
1996 (Mar)[3] | 40,620 | 64.56% | 18,501 | 29.41% | 3,794 | 6.03% | 62,915 |
1997 (Mar)[3] | 41,971 | 66.91% | 17,044 | 27.17% | 3,710 | 5.91% | 62,725 |
1998 (Mar)[3] | 43,083 | 68.94% | 15,804 | 25.29% | 3,608 | 5.77% | 62,495 |
1999 (Mar)[3] | 44,216 | 70.40% | 15,178 | 24.17% | 3,415 | 5.44% | 62,809 |
2000 (Mar)[3] | 44,383 | 70.72% | 15,013 | 23.92% | 3,363 | 5.36% | 62,759 |
2001 (Mar)[3] | 44,776 | 71.04% | 14,987 | 23.78% | 3,265 | 5.18% | 63,028 |
2002 (Mar)[3] | 45,099 | 71.43% | 14,776 | 23.40% | 3,265 | 5.17% | 63,140 |
2003 (Mar)[3] | 45,622 | 72.28% | 14,364 | 22.76% | 3,136 | 4.97% | 63,122 |
2004 (Mar)[3] | 46,807 | 74.04% | 13,290 | 21.02% | 3,124 | 4.94% | 63,221 |
2005 (Mar)[3][4] | 47,749 | 75.24% | 12,662 | 19.95% | 2,924 | 4.81% | 63,465 |
2006 (Mar)[3][5] | 48,574 | 76.70% | 11,834 | 18.69% | 2,924 | 4.62% | 63,332 |
2007 (Mar)[3][6] | 49,820 | 78.67% | 10,621 | 16.77% | 2,886 | 4.56% | 63,327 |
2008 (Mar)[3][7] | 51,082 | 80.73% | 9,442 | 14.92% | 2,749 | 4.34% | 63,273 |
2009 (Mar)[3][8] | 52,808 | 82.49% | 8,473 | 13.24% | 2,734 | 4.27% | 64,015 |
2010 (Mar)[3][9] | 54,257 | 84.81% | 7,180 | 11.22% | 2,537 | 3.97% | 63,974 |
2011 (Mar)[3][10] | 55,188 | 85.62% | 6,809 | 10.56% | 2,463 | 3.82% | 64,460 |
2012 (Mar)[3][11] | 55,956 | 86.62% | 6,347 | 9.83% | 2,297 | 3.56% | 64,600 |
2013 (Mar)[3][12] | 57,140 | 87.32% | 5,999 | 9.17% | 2,297 | 3.51% | 65,436 |
2014 (Mar)[13] | 58,177 | 88.40% | 5,334 | 8.11% | 2,297 | 3.49% | 65,808 |
2015 (Mar)[14] | 58,825 | 89.09% | 4,908 | 7.43% | 2,297 | 3.48% | 66,030 |
2016 (Mar)[15] | 60,510 | 90.74% | 3,880 | 5.82% | 2,297 | 3.44% | 66,687 |
2017 (Mar)[16] | 61,680 | 91.56% | 3,479 | 5.16% | 2,209 | 3.28% | 67,368 |
2018 (Mar)[17] | 62,049 | 92.70% | 3,201 | 4.78% | 1,685 | 2.52% | 66,935 |
2019 (Mar)[17] | 62,891 | 93.29% | 2,839 | 4.21% | 1,685 | 2.50% | 67,415 |
2020 (Mar)[18] | 63,950 | 94.10% | 2,402 | 3.54% | 1,604 | 2.36% | 67,956 |
2021 (Mar)[19] | 64,403 | 94.57% | 2,112 | 3.10% | 1,588 | 2.33% | 68,103 |
2022 (Mar)[20] | 65,093 | 95.67% | 1,655 | 2.43% | 1,294 | 1.90% | 68,043 |
These lines were dismantled without a broad-gauge replacement. These were mostly industrial railways, forest railways, etc.
These lines have their original gauge preserved as these are identified as heritage railways. Some of these are also among the UNESCO World Heritage Sites in India.
The Project Unigauge was launched on April 1, 1992 to develop the backward regions and to connect important places with broad gauge network.