TS3036 - Total Untreated Gravel


Series measured in: kilometers of road
Year
1989 1,593.1
1990 1,593.1
1991 1,292.0
1992 990.8
1993 689.7
1994 689.7
1995 689.7
1996 558.3
1997 585.3
1998 585.3
1999 547.4
2000 535.8
2001 535.8
2002 495.5
2003 495.5
2004 790.7
2005 676.0
2006 676.0
2007 676.0
2008 676.0
2009 697.3
2010 689.2
2011 689.2
2012 689.2
2013 689.2
2014 689.2
2015 616.8
2016 616.8
2017 616.8