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Noise Barriers Construction Trends

Average Unit Cost By Year

 
Year Area in
Square Feet
(100,000)
2004 Cost
($Millions)
Cost Per
Square
Foot
(Dollars)
1963-1983 211 329 16
1984 32 67 21
1985 28 57 20
1986 41 106 26
1987 36 72 20
1988 70 168 24
1989 74 163 22
1990 52 108 21
1991 80 176 22
1992 104 228 22
1993 64 144 23
1994 65 135 21
1995 95 203 21
1996 42 79 19
1997 83 180 22
1998 118 242 21
1999 42 110 26
2000 65 147 23
2001 95 207 22
2002 67 190 29
2003 77 171 22
2004 86 159 19
Unknown 4 0 0
ALL 1,626 3,442 21
Updated: 7/14/2011
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