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Summary of Noise Barriers Constructed by December 31, 2010

Noise Barrier Construction by Year

Year Linear Length of
Noise Barriers
(Miles)
Actual Cost
($Millions)
2010 Cost
($Millions)
1963-1989 736 591 1,097
1990 64 76 124
1991 99 122 203
1992 142 154 261
1993 84 99 163
1994 88 103 158
1995 127 155 226
1996 54 62 92
1997 101 149 202
1998 144 207 290
1999 54 100 130
2000 83 137 168
2001 114 207 254
2002 96 296 356
2003 92 170 202
2004 129 188 216
2005 89 190 211
2006 118 238 257
2007 105 266 279
2008 49 103 104
2009 87 201 205
2010 95 245 245
Unknown 6 0 0
 
All2,7484,0585,444

NOTE:
Miles of noise barriers that can neither be assigned a year of construction nor a cost - 6
Miles of barriers, while assigned a year of construction, cannot be assigned a cost - 55

Updated: 07/11/2012
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