Year | Concrete | Block | Wood | Metal | Berm | Brick | Combination | Absorptive |
---|---|---|---|---|---|---|---|---|
1963-1999 | 27 | 23 | 20 | 20 | 6 | 29 | 22 | 32 |
2000 | 27 | 35 | 22 | 0 | 9 | 0 | 15 | 38 |
2001 | 34 | 22 | 20 | 19 | 0 | 33 | 12 | 20 |
2002 | 51 | 53 | 18 | 15 | 5 | 45 | 21 | 28 |
2003 | 30 | 26 | 23 | 21 | 38 | 0 | 5 | 23 |
2004 | 27 | 29 | 15 | 16 | 0 | 0 | 13 | 24 |
2005 | 32 | 18 | 15 | 0 | 14 | 44 | 17 | 0 |
2006 | 30 | 15 | 19 | 16 | 11 | 70 | 25 | 0 |
2007 | 36 | 16 | 0 | 16 | 22 | 0 | 28 | 0 |
2008 | 30 | 29 | 0 | 15 | 0 | 0 | 25 | 0 |
2009 | 30 | 25 | 0 | 0 | 17 | 0 | 34 | 0 |
2010 | 33 | 31 | 19 | 52 | 24 | 0 | 27 | 31 |
ALL | 30 | 25 | 20 | 18 | 7 | 32 | 21 | 28 |
NOTE:
Square feet of noise barriers constructed with 'Other' materials - 1,946,829
Costing approximately - $34 per square foot.