Summary of Noise Barriers Constructed by December 31, 2010

Concrete

STATE	BEFORE 2001		2001-2005		2006-2010
Concrete	1,000 sqft	$/sqft	1,000 sqft	$/sqft	1,000 sqft	$/sqft
Alaska	0	0	0	0	10	101
Arizona	2,064	33	4,997	52	498	27
Arkansas	0	0	0	0	66	43
California	1,631	21	0	0	0	0
Colorado	694	37	986	30	28	15
Connecticut	150	11	6	167	10	59
Florida	3,813	26	3,858	35	6,082	32
Georgia	154	20	41	11	0	0
Hawaii	9	64	0	0	0	0
Idaho	21	33	0	0	153	10
Illinois	1,612	28	229	24	799	25
Indiana	978	32	0	0	1,849	29
Iowa	44	28	113	36	173	72
Kansas	0	0	46	45	418	34
Kentucky	198	19	0	0	120	37
Louisiana	22	17	969	35	325	52
Maine	0	0	0	0	53	28
Maryland	6,322	34	2,056	35	617	45
Massachusetts	85	38	349	41	505	74
Michigan	658	30	587	29	576	33
Minnesota	513	15	230	32	0	0
Mississippi	0	0	0	0	92	39
Missouri	372	24	931	21	797	33
Montana	0	0	0	0	46	21
Nebraksa	0	0	0	0	34	41
Nebraska	220	27	0	0	51	40
Nevada	210	8	628	16	1,025	25
New Hampshire	0	0	251	20	0	0
New Jersey	7,127	35	396	37	139	49
New Mexico	357	27	428	42	0	0
New York	3,237	37	1,331	57	1,156	55
North Carolina	1,776	10	164	22	0	0
North Dakota	0	0	89	3	0	0
Ohio	5,611	18	1,563	24	3,069	27
Okalahoma	0	0	0	0	79	39
Oklahoma	352	26	158	29	46	23
Oregon	1,465	19	388	13	148	20
Pennsylvania	4,510	36	1,474	42	647	59
Puerto Rico	356	49	304	45	45	33
South Carolina	0	0	5	46	15	49
Tennessee	717	21	180	20	306	39
Texas	2,586	25	375	21	1,204	13
Utah	2,660	15	2,175	4	1,510	18
Virginia	7,454	23	991	22	1,125	28
Washington	2,437	23	547	47	1,524	32
Wisconsin	150	18	0	0	473	23
ALL	60,565	27	26,843	34	25,811	32