Summary of Noise Barriers Constructed by December 31, 2010

Maryland | Massachusetts | Michigan

Maryland

For TYPE column, I = Type I, II = Type II, S = State funds only, C = County funded, T = Tollway funded, O = Other, and U = Unknown. A "0" in the YEAR or BARRIER COST IN 2010 $ columns indicates the data is missing for a given barrier. A "1" in the BARRIER COST IN 2010 $ column indicates the barrier was constructed of excess material.
State	City/County	Route	Material	Type	Year	Length (feet)	Height (feet)	Cost ($/sq ft)	Cost Current Year (2010)
Maryland	Adelphi/Silver Spring	I-495/MD 650	Concrete/Precast	II	1991	11,152	16.0	55	9,797,085
Maryland	Ann Arundel	I-97	Concrete/Precast	I	2009	2,439	12.0	41	1,212,505
Maryland	Annapolis/Federal Towne	MD 665	Concrete/Precast	I	1991	2,719	18.0	27	1,325,721
Maryland	Annapolis/Greenwood Acres	US 50	Concrete/Unspecified	I	1994	1,279	21.0	22	579,306
Maryland	Annapolis/HH-NRF	US 50	Concrete/Unspecified	I	1993	9,050	19.0	26	4,539,269
Maryland	Anne Arundel/Riverview &	US 50	Concrete/Precast	II	2004	5,062	22.0	34	3,827,666
Maryland	Arbutus	I-695	Concrete/Precast	II	1996	8,849	12.0	61	6,512,147
Maryland	Arbutus/Relay/Balt Co	I-95	Comb/Metal/Concrete	II	1999	12,073	20.0	36	8,732,088
Maryland	Ashburton/Alta Vista/Fernwood	I-495	Comb/Other	II	1997	11,027	18.0	29	5,836,513
Maryland	Atholton Manor/Howard	US 29	Concrete/Pre-Cast	II	2007	3,712	15.0	38	2,111,090
Maryland	Avonshire/Montgomery	US 29	Concrete/Pre-Cast	I	2007	1,282	10.8	19	256,323
Maryland	Baltimore/Bayview	I-95	Concrete/Precast	I	1981	666	20.0	55	729,505
Maryland	Baltimore/Brooklyn	I-895	Concrete/Precast	II	1989	2,535	20.0	42	2,139,095
Maryland	Baltimore/Caton Ave	I-95	Other	I	1981	436	10.0	75	326,964
Maryland	Baltimore/Eastern Ave	I-95	Comb/Berm/Metal	I	1977	1,499	26.0	17	669,356
Maryland	Baltimore/Greenspring Avenue	I-695	Concrete/Precast	I	2002	1,200	22.0	31	817,931
Maryland	Baltimore/Logan Village	MD 695	Concrete/Unspecified	II	1982	1,276	12.0	30	460,731
Maryland	Baltimore/Longford North	I-83	Concrete/Precast	S	2004	3,024	20.0	55	3,300,629
Maryland	Baynesville/Cromwell-Coventr	I-695	Concrete/Precast	II	1998	6,225	20.0	63	7,829,106
Maryland	Bethesda/Rock Creek	I-495	Concrete/Precast	I	1988	6,419	20.0	34	4,405,502
Maryland	Birchwood City	I-95	Concrete/Unspecified	II	1995	4,651	23.0	34	3,679,481
Maryland	Bowie	I-595	Concrete/Precast	I	1991	9,991	16.0	44	7,003,964
Maryland	Brinkleigh	I-70	Concrete/Precast	II	1998	2,066	19.0	30	1,193,099
Maryland	Brookfield	I-97	Concrete/Precast	I	1997	2,539	20.0	22	1,127,088
Maryland	Calverton	I-95	Concrete/Precast	II	1998	1,919	24.0	29	1,352,888
Maryland	Camp Springs/Oxon Hill	I-495/I-95	Concrete/Precast	II	1986	2,086	16.0	73	2,443,792
Maryland	Carroll	MD 30	Comb/Berm/Concrete	I	2009	400	16.0	37	239,098
Maryland	Carroll	MD 30	Comb/Berm/Concrete	I	2009	464	17.0	38	296,026
Maryland	Carsondale/Whitfield/PG Co	I-595	Concrete/Precast	I	1991	2,801	16.0	20	911,013
Maryland	Catonsville/Edmondson Ave	I-695	Concrete/Precast	II	1990	2,073	23.0	71	3,370,354
Maryland	Catonsville/Fred Rd	I-695	Concrete/Precast	II	1986	3,893	18.0	56	3,897,450
Maryland	Centennial Village	I-495	Concrete/Precast	I	1997	1,814	25.0	29	1,315,840
Maryland	Chesaco Park/Baltimore	MD 695	Concrete/Precast	II	2009	3,009	17.0	46	2,367,059
Maryland	Columbia Hills/Ho Co	US 29	Concrete/Precast	II	2001	2,112	23.0	36	1,749,758
Maryland	Contee Rd,Willow Lake	MD 197	Concrete/Pre-Cast	I	2007	1,312	9.6	97	1,222,079
Maryland	Country Club Park/Baltimore	I-83	Concrete/Pre-Cast	II	2005	3,060	23.7	45	3,240,268
Maryland	Enterprise/Lottsford/Willow	US 50	Concrete/Precast	I	1998	12,346	36.0	19	8,634,240
Maryland	Essex/Balt Co	SR 702	Concrete/Precast	I	1989	6,383	12.0	27	2,051,549
Maryland	Forest Glen/Mont Co	I-495	Concrete/Precast	II	2001	3,008	22.0	57	3,795,937
Maryland	Gaithersburg	I-370	Concrete/Precast	I	1989	1,000	17.0	44	749,426
Maryland	Galaxy Lane/Prince George’s	MD 450	Concrete/Precast	I	2005	875	14.1	38	462,731
Maryland	Glen Burnie	I-97	Concrete/Unspecified	I	1995	9,154	19.0	24	4,152,046
Maryland	Glen Burnie Park/Parke West	I-97	Concrete/Precast	I	1997	9,945	23.0	18	4,095,786
Maryland	Glen Burnie/Glen D	SR 10	Concrete/Precast	I	1987	518	10.0	40	205,759
Maryland	Glen Burnie/Southdale	SR 10	Concrete/Precast	I	1987	7,101	18.0	31	3,935,159
Maryland	Glen Mar/Timber Run/Ho Co	MD 100	Concrete/Precast	I	1999	14,397	20.0	23	6,672,710
Maryland	Glenarden	I-95	Concrete/Unspecified	II	1995	8,938	19.0	42	7,145,596
Maryland	Good Luck Estates/PG Co	I-95/I-495	Concrete/Precast	II	1999	2,908	21.0	32	1,954,945
Maryland	Greenbelt/US 1	I-495/I-95	Concrete/Precast	II	1988	5,173	14.0	5	370,416
Maryland	Greenlawn-Windsor Pk/Baltimore	I-695	Concrete/Precast	II	2009	1,792	22.0	4	146,386
Maryland	Guilford Downs/Howard	US 29	Concrete/Pre-Cast	II	2006	1,816	15.9	53	1,531,316
Maryland	Hammond Hills, Lyons Hill, Murray	MD 216	Concrete/Pre-Cast	I	2005	14,691	22.1	22	7,156,128
Maryland	Hampton/Concordia	I-695	Concrete/Precast	II	1990	5,261	20.0	35	3,724,816
Maryland	Harris Heights/AA Co	MD 695	Concrete/Precast	I	2001	1,600	23.0	34	1,246,944
Maryland	Highbridge/Prince George’s	MD 450	Concrete/Pre-Cast	I	2005	224	14.2	37	119,189
Maryland	Hollywood Extension/Prince	I-95/I-495	Concrete/Pre-Cast	II	2007	1,280	20.1	51	1,315,799
Maryland	Holmehurst West/Prince George’s	MD 450	Concrete/Pre-Cast	I	2005	1,220	17.6	23	497,043
Maryland	Howard/Graeloch Woods,	US 29	Concrete/Precast	I	2002	2,656	17.0	19	861,151
Maryland	Howard/High Ridge	I-95	Concrete/Precast	II	2004	3,552	20.0	32	2,261,641
Maryland	Howard/Hillcrest	US 29	Concrete/Precast	I	2002	1,408	15.0	18	379,980
Maryland	Hughesville Manor/Charles	MD 5	Concrete/Pre-Cast	I	2007	1,632	15.3	39	975,775
Maryland	Hunt Club Estates/Howard	I-95	Concrete/Pre-Cast	II	2005	2,536	23.4	40	2,372,734
Maryland	Indian Springs	I-495	Concrete/Precast	II	1998	3,772	20.0	19	1,457,015
Maryland	Joppa to Thornton/Balt Co	I-695	Concrete/Precast	I	1999	7,344	20.0	27	3,959,858
Maryland	Kenwood Ave/Baltimore	I-695	Concrete/Pre-Cast	II	2005	4,378	15.6	31	2,148,778
Maryland	Kingswood	I-95	Concrete/Precast	II	1998	3,011	20.0	35	2,102,837
Maryland	Knollwood/Prince George’s	I-95	Concrete/Pre-Cast	II	2007	2,610	14.8	51	1,984,141
Maryland	Landover Hills/Bellmeade	US 50	Concrete/Precast	II	1998	6,426	20.0	33	4,188,191
Maryland	Lanham Station/PG Co	I-95/I-495	Concrete/Precast	II	1999	2,396	23.0	31	1,717,280
Maryland	Laurel	MD 197	Comb/Other	I	1978	1,299	10.0	29	378,446
Maryland	Laurel Ridge	I-95	Concrete/Precast	II	1998	1,712	23.0	29	1,152,460
Maryland	Linthicum	I-695/MD 295	Concrete/Precast	II	1990	2,509	16.0	43	1,721,269
Maryland	Linthicum/AA Co	I-695/I-97	Concrete/Precast	I	1988	6,612	20.0	18	2,425,772
Maryland	Memphis Lane/Prince George’s	MD 450	Concrete/Pre-Cast	I	2005	1,480	12.9	37	712,792
Maryland	Montgomery/Barnett Road	I-495	Concrete/Precast	II	2002	1,483	19.0	39	1,104,867
Maryland	Montgomery/Bradley Manor	I-495	Concrete/Precast	II	2002	2,333	24.0	41	2,267,886
Maryland	Montgomery/Burning Tree Estates	I-495	Concrete/Precast	II	2002	6,032	27.0	37	6,021,922
Maryland	Montgomery/Forest Glen Park	I-495	Comb/Other	II	2004	2,675	20.0	65	3,483,463
Maryland	Montgomery/Longwood	I-495	Concrete/Precast	II	2002	2,607	23.0	41	2,442,339
Maryland	Montgomery/Outdoor Nursery	I-495	Concrete/Precast	II	2002	651	25.0	37	596,349
Maryland	Montgomery/Owens Glen &	MD 28	Concrete/Precast	I	2004	3,272	23.0	26	1,972,653
Maryland	Montgomery/Wildwood Hills	I-270	Concrete/Precast	II	2002	1,467	22.0	23	742,715
Maryland	Montgomery/Wildwood Manor	I-270	Concrete/Precast	II	2002	3,556	20.0	27	1,918,780
Maryland	New Carrollton	I-495/I-95	Wood/Glue Laminated	II	1986	10,325	17.0	48	8,477,151
Maryland	Owings Mills/Cedarmere	I-795	Comb/Berm/Wood	I	1985	604	10.0	67	402,096
Maryland	Owings Mills/Sportsman	I-795	Comb/Berm/Wood	I	1985	505	10.0	77	386,416
Maryland	Owings Mills/Tollgate	I-795	Berm Only	I	1983	2,699	15.0	0	0
Maryland	Parkville/Perring Pkwy	I-695	Concrete/Precast	II	1986	7,452	20.0	50	7,466,618
Maryland	Pikesville/Apts	I-695/I-795	Berm Only	I	1982	400	20.0	0	0
Maryland	Pikesville/Lockearn	I-695	Concrete/Precast	II	1985	3,139	16.0	39	1,941,412
Maryland	Pikesville/Old Court	I-695/I-795	Comb/Berm/Concrete	I	1982	2,900	20.0	30	1,766,384
Maryland	Pikesville/Scotts Hills	I-695	Concrete/Precast	I	1985	1,601	16.0	30	763,871
Maryland	Pikesville/Stevenson/Rocklan	I-695	Concrete/Precast	I	1998	29,468	20.0	22	1,272,502
Maryland	Pikesville/Woodlawn	I-695	Concrete/Precast	II	1987	8,722	18.0	38	5,947,606
Maryland	Potomac	I-495	Concrete/Unspecified	I	1994	7,410	24.0	28	4,949,892
Maryland	Powder Mill Estates/Prince	I-95	Concrete/Pre-Cast	II	2007	960	17.8	51	877,199
Maryland	Priceville/Baltimore	I-83	Concrete/Precast	II	2010	1,872	15.0	83	2,338,373
Maryland	Prince George	MD 450	Concrete/Precast	I	2008	756	10.0	38	286,928
Maryland	Prince George's/Auth Road	I-95/I-495	Concrete/Precast	II	2002	1,895	18.0	59	2,011,101
Maryland	Prince George's/Princeton &	I-95/I-495	Concrete/Precast	II	2002	2,090	18.0	58	2,169,394
Maryland	Prince George's/Princeton Square,	US 50	Concrete/Precast	I	2004	4,643	21.0	28	2,731,213
Maryland	Reisterstown/Westbury	I-795	Comb/Berm/Wood	I	1985	1,899	16.0	36	1,086,053
Maryland	Riderwood/Orchard Hills	I-695	Concrete/Precast	II	1998	6,675	21.0	45	6,361,128
Maryland	Rockville/Brighton	I-270	Concrete/Precast	I	1989	4,690	16.0	42	3,153,761
Maryland	Rockville/Fow Chapel	I-270	Concrete/Precast	I	1991	1,709	16.0	67	1,824,509
Maryland	Rockville/Old Tilden	I-270	Concrete/Precast	I	1988	4,936	18.0	32	2,829,374
Maryland	Rockville/Rockshine	I-270	Concrete/Precast	I	1989	4,080	16.0	49	3,175,441
Maryland	Rockville/Saddlebrook	I-270	Concrete/Precast	I	1989	636	16.0	33	336,143
Maryland	Rockville/Woodley Gardens	I-270	Concrete/Precast	I	1989	2,099	22.0	51	2,371,670
Maryland	Severn Squre Aparements/Anne	MD 174	Concrete/Pre-Cast	I	2005	1,112	8.9	23	223,101
Maryland	Silver Spring/Dallas Ave	I-495	Comb/Metal/Concrete	II	1988	4,858	14.0	53	3,627,591
Maryland	Silver Spring/Forest G	I-495	Concrete/Unspecified	II	1982	2,168	13.0	63	1,787,911
Maryland	Silver Spring/Georgia Ave	I-495	Concrete/Precast	II	1986	3,001	18.0	66	3,574,080
Maryland	Singer Hts/Carroll	MD 30	Comb/Berm/Concrete	I	2009	944	18.0	36	603,437
Maryland	St. John Manor,Highview	US 29	Concrete/Pre-Cast	I	2005	7,344	22.4	48	7,828,765
Maryland	Stonebridge/Montgomery	MD 28	Concrete/Pre-Cast	I	2006	930	10.8	55	553,247
Maryland	Stoneridge/Dulaney Towers/Gr	I-695	Concrete/Precast	II	1997	4,349	21.0	37	3,334,372
Maryland	Temple Hills Terrace/Prince	I-95/I-495	Concrete/Pre-Cast	II	2006	4,539	20.7	48	4,527,066
Maryland	The	I-70	Concrete/Pre-Cast	II	2005	4,781	20.2	34	3,284,618
Maryland	Thornleigh/Longford	I-695/I-83	Concrete/Precast	II	1998	6,426	18.0	63	7,330,023
Maryland	Timberview/Ho Co	I-95	Concrete/Precast	II	1991	1,620	16.0	30	775,975
Maryland	Timonium/Balt Co	I-83	Concrete/Precast	II	1989	1,873	20.0	28	1,055,342
Maryland	Towson/Campus Hills	I-695	Concrete/Precast	II	1988	1,738	16.0	38	1,063,512
Maryland	Twin Cedar Lane/Prince George’s	MD 450	Concrete/Pre-Cast	I	2005	1,380	20.2	37	1,042,312
Maryland	W. Laurel/Walker Hill	I-95	Concrete/Precast	II	1996	3,231	18.0	58	3,364,116
Maryland	Westgate Woods/Prince George’s	MD 450	Concrete/Pre-Cast	I	2005	1,120	15.9	23	413,292
Maryland	Westview Park	I-695	Concrete/Precast	II	1999	10,080	19.0	45	8,692,358
Maryland	Winchester Heights	US 50	Concrete/Precast	I	1997	3,851	14.0	22	1,192,649
Maryland	Woodholme Ave./Baltimore	I-695	Concrete/Precast	II	2008	2,464	21.0	32	1,667,608
Maryland	Woodlane/Prince George’s	I-95/I-495	Concrete/Pre-Cast	II	2006	1,712	16.5	48	1,362,515
Maryland	Woodside Forest	I-495	Concrete/Precast	II	1998	3,454	23.0	23	1,802,712
Maryland	Yorkshire Village/Prince George’s	I-95/I-495	Concrete/Pre-Cast	II	2006	3,122	19.2	48	2,900,839
Subtotal						515,415			350,518,989

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Massachusetts

For TYPE column, I = Type I, II = Type II, S = State funds only, C = County funded, T = Tollway funded, O = Other, and U = Unknown. A "0" in the YEAR or BARRIER COST IN 2010 $ columns indicates the data is missing for a given barrier. A "1" in the BARRIER COST IN 2010 $ column indicates the barrier was constructed of excess material.
State	City/County	Route	Material	Type	Year	Length (feet)	Height (feet)	Cost ($/sq ft)	Cost Current Year (2010)
Massachusetts	Billerica/Middlesex	Route 3	Concrete/Precast	I	2007	2,800	15.0	132	5,562,655
Massachusetts	Boxford	I-95	Comb/Berm/Wood	I	1975	1,240	7.0	5	41,352
Massachusetts	Boxford	I-95	Wood/Unspecified	I	1975	1,650	10.0	4	62,899
Massachusetts	Boxford	I-95	Wood/Unspecified	I	1975	3,300	10.0	5	156,234
Massachusetts	Chelmsford	C & B St	Concrete/Unspecified	I	2004	1,200	20.0	25	596,195
Massachusetts	Chelmsford	McFarlin Rd	Concrete/Unspecified	I	2004	1,896	15.0	51	1,440,253
Massachusetts	Dedham/Middlesex	I-95	Concrete/Precast	I	2007	1,000	19.0	110	2,099,115
Massachusetts	Dedham/Norfolk	I-95	Concrete/Precast	I	2008	1,586	21.0	47	1,555,878
Massachusetts	Dedham/Norfolk	I-95	Concrete/Precast	I	2009	2,000	17.0	45	1,545,953
Massachusetts	Dedham/Norfolk	I-95	Concrete/Precast	I	2009	1,004	19.0	66	1,260,510
Massachusetts	Lancaster	I-190	Berm Only	I	1979	800	3.0	35	84,010
Massachusetts	Leominister	I-190	Wood/Unspecified	I	1976	2,601	7.0	25	448,908
Massachusetts	Leominister	I-190	Wood/Unspecified	I	1976	249	7.0	25	43,021
Massachusetts	Leominister	I-190	Berm Only	I	1979	2,299	3.0	35	241,357
Massachusetts	Leominister	I-190	Wood/Unspecified	I	1980	200	7.0	8	10,932
Massachusetts	Leominister	Rt 2	Concrete/Unspecified	I	1976	400	7.0	36	101,014
Massachusetts	Lexington/Middlesex	I-95	Concrete/Precast	I	2008	3,350	18.0	73	4,388,470
Massachusetts	Lowell	Marshall Ave	Concrete/Unspecified	I	2004	2,979	22.0	51	3,318,342
Massachusetts	Lynnfield/Essex	I-95	Concrete/Precast	II	2007	8,845	14.0	62	7,661,770
Massachusetts	Mansfield	Rt 140	Comb/Berm/Concrete	I	1983	1,269	10.0	22	276,655
Massachusetts	Mansfield-Norton	I-495	Concrete/Unspecified	I	1980	2,699	10.0	17	459,209
Massachusetts	N. Chelmsford		Concrete/Unspecified	I	2004	900	13.0	50	587,623
Massachusetts	N. Chelmsford		Concrete/Unspecified	I	2004	1,100	20.0	50	1,094,592
Massachusetts	N. Chelmsford	Marose St	Concrete/Unspecified	I	2004	1,900	15.0	51	1,440,253
Massachusetts	N. Chelmsford	Richardson Rd	Concrete/Unspecified	I	2004	1,750	15.0	50	1,325,032
Massachusetts	Newburyport	I-95	Concrete/Unspecified	I	1975	1,699	7.0	18	211,043
Massachusetts	Newburyport	I-95	Comb/Berm/Concrete	I	1975	1,148	7.0	18	141,233
Massachusetts	Newburyport	I-95	Concrete/Unspecified	I	1975	850	7.0	18	105,521
Massachusetts	Newburyport	I-95	Concrete/Unspecified	I	1975	1,650	7.0	18	202,904
Massachusetts	Newton/Middlesex	I-90	Wood/Post & Plank	II	2010	2,600	16.0	20	832,000
Massachusetts	Norton	I-495	Comb/Berm/Wood	I	1980	2,401	16.0	9	363,714
Massachusetts	Peabody	Rt 128	Concrete/Precast	I	1987	492	10.0	35	170,704
Massachusetts	Peabody	Rt 128/I-95	Concrete/Precast	I	1987	787	10.0	38	301,781
Massachusetts	Plymouth	Route 44	Concrete/Precast	I	2002	800	17.0	35	481,136
Massachusetts	Raynham	I-495	Comb/Berm/Concrete	I	1981	2,506	10.0	20	509,904
Massachusetts	Somerville	I-93	Comb/Other	II	1995	2,417	10.0	60	1,459,393
Massachusetts	Sommerville	I-93	Concrete/Precast	II	1996	1,197	11.0	126	1,657,637
Massachusetts	Wakefield	I-95	Concrete/Precast	II	2001	6,806	19.0	30	3,931,492
Massachusetts	Wellesley/Newton/Middlesex	I-95	Concrete/Precast	II	2010	3,030	16.0	93	4,500,000
Massachusetts	West Boylston	I-190	Comb/Berm/Concrete	I	1981	964	13.0	12	147,306
Massachusetts	Westwood/Dedham/Norfolk	I-95	Concrete/Precast	I	2009	4,996	20.0	73	7,318,806
Massachusetts	Westwood/Dedham/Norfolk	I-95	Concrete/Precast	I	2010	1,329	19.0	64	1,603,634
Massachusetts	Worcester	I-190	Metal/Unspecified	I	1980	800	16.0	14	175,894
Subtotal						85,489			59,916,333

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Michigan

For TYPE column, I = Type I, II = Type II, S = State funds only, C = County funded, T = Tollway funded, O = Other, and U = Unknown. A "0" in the YEAR or BARRIER COST IN 2010 $ columns indicates the data is missing for a given barrier. A "1" in the BARRIER COST IN 2010 $ column indicates the barrier was constructed of excess material.
State	City/County	Route	Material	Type	Year	Length (feet)	Height (feet)	Cost ($/sq ft)	Cost Current Year (2010)
Michigan	Allen Park	I-75	Wood/Post & Plank	II	1974	2,699	11.0	29	857,229
Michigan	Allen Park	I-94	Wood/Glue Laminated	I	1986	945	13.0	22	270,985
Michigan	Allen Park	I-94	Concrete/Precast	I	1986	2,758	13.0	16	589,481
Michigan	Auburn Hills, Bloomfield Twp	I-75	Concrete/Precast	I	1992	7,219	13.0	30	2,858,242
Michigan	Auburn Hills/Oakland	M59	Concrete/Precast	I	2003	2,487	13.0	37	1,206,347
Michigan	Bloomfield Twp	US 24	Berm Only	II	1981	3,198	8.0	8	198,296
Michigan	Bloomfield Twp/Oakland	I-75	Concrete/Precast	I	2003	1,455	16.0	36	832,470
Michigan	Bloomfield Twp/Oakland	I-75	Concrete/Precast	I	2003	1,600	16.0	36	915,431
Michigan	Byron Center/Kent	M6	Concrete/Precast	I	2004	3,460	22.0	16	1,195,986
Michigan	Byron Center/Kent	M6	Concrete/Precast	I	2004	3,400	22.0	16	1,175,246
Michigan	Byron Center/Kent	M6	Concrete/Precast	I	2004	3,700	22.0	14	1,152,202
Michigan	Byron Center/Kent	M6	Concrete/Precast	I	2004	3,900	22.0	16	1,348,076
Michigan	Byron Center/Kent	US 131	Concrete/Precast	I	2004	1,109	14.0	21	327,341
Michigan	Byron Center/Kent	US 131	Concrete/Precast	I	2004	1,600	22.0	16	553,057
Michigan	Canton Twp	I-275	Concrete/Precast	II	1981	5,855	13.0	20	1,500,111
Michigan	Canton Twp/Livonia	I-275	Concrete/Precast	II	1977	23,554	10.0	36	8,389,264
Michigan	Centerline	I-696	Comb/Concrete/Brick	II	1985	872	11.0	50	476,144
Michigan	Centerline	I-696	Comb/Concrete/Brick	II	1992	2,017	13.0	44	1,161,822
Michigan	Clarkston	I-75 NB	Concrete/Precast	I	1995	1,440	16.0	33	755,573
Michigan	Clarkston, Oakland Co	I-75	Concrete/Unspecified	I	1991	2,749	4.0	40	436,651
Michigan	Detroit	I-75	Block	I	2009	875	11.0	32	307,933
Michigan	Farmington Hills	I-696	Block	I	1992	1,958	13.0	39	980,341
Michigan	Farmington Hills	I-696	Comb/Berm/Block	I	1992	2,719	16.0	21	911,224
Michigan	Flint	I-475	Brick	I	1981	4,789	10.0	24	1,152,535
Michigan	Flint	I-475	Brick	I	1982	4,726	10.0	17	808,167
Michigan	Flint	I-475	Comb/Other	I	1985	9,702	7.0	40	2,729,544
Michigan	Howell	M-59	Comb/Berm/Concrete	I	2009	850	13.0	63	695,264
Michigan	Hunt., Plea. Ridge, Roy. Oak	I-696	Comb/Concrete/Brick	I	1988	4,490	10.0	41	1,834,072
Michigan	Kalamazoo	I-94	Berm Only	II	1973	1,578	10.0	12	195,950
Michigan	Kalamazoo	I-94	Comb/Metal/Concrete	II	1985	8,820	13.0	26	2,940,582
Michigan	Lansing	US-127	Concrete/Precast	II	2007	5,000	20.0	39	3,928,494
Michigan	Lasher Rd. to SO4,Southfield	I-696	Comb/Concrete/Brick	I	1988	1,870	10.0	30	563,484
Michigan	Lathrop Village, Southfield	I-696	Berm Only	I	1988	1,440	8.0	4	48,727
Michigan	Lathrop Village, Southfield	I-696	Comb/Concrete/Brick	I	1988	2,585	10.0	36	922,028
Michigan	Lathrup Village, Southfield	I-696	Comb/Other	I	1987	1,092	12.0	25	321,378
Michigan	Lathrup Village, Southfield	I-696	Comb/Concrete/Brick	I	1987	4,953	12.0	38	2,230,144
Michigan	Lincoln Park	I-75	Concrete/Precast	II	1978	1,876	20.0	17	636,839
Michigan	Lincoln Park	I-75	Block	II	1988	4,920	11.0	33	1,794,687
Michigan	Madison Heights	I-696	Comb/Concrete/Brick	II	1992	5,517	10.0	44	2,444,163
Michigan	Melvindale/Detroit	I-75	Block	II	2000	4,331	18.0	53	4,117,603
Michigan	Novi	I-96 EB	Block	I	1995	2,749	17.0	36	1,697,321
Michigan	Novi, Farmington Hills	I-96	Block	I	1993	1,584	13.0	30	607,809
Michigan	Oak Park, Huntington Woods	I-696	Comb/Other	I	1984	2,096	9.0	31	586,619
Michigan	Oak Park, Huntington Woods	I-696	Comb/Other	I	1985	2,942	10.0	32	954,032
Michigan	Portage	I-94	Concrete/Precast	I	2008	20,447	19.0	30	1,184,506
Michigan	Portage	I-94	Concrete/Precast	I	2009	1,200	15.0	24	427,142
Michigan	Rockwood	I-75	Comb/Concrete/Block	II	1985	3,575	15.0	37	1,977,829
Michigan	Romulus	I-94	Comb/Other	II	1985	3,073	11.0	33	1,104,026
Michigan	Romulus	I-94	Block	II	1992	2,496	10.0	40	991,291
Michigan	Romulus, Wayne Co	I-94	Block	II	1991	2,617	10.0	48	1,264,727
Michigan	Roseville, St. Clair Shores	I-696	Brick	II	1989	7,770	8.0	31	1,905,198
Michigan	Royal Oak	I-696	Comb/Other	I	1983	1,794	10.0	42	745,645
Michigan	Royal Oak	I-696	Berm Only	I	1986	800	7.0	6	33,785
Michigan	Royal Oak	I-696	Brick	I	1986	1,164	8.0	44	409,997
Michigan	Royal Oak, Ferndale	I-696	Wood/Post & Plank	I	1984	403	8.0	27	88,374
Michigan	Royal Oak, Ferndale	I-696	Concrete/Unspecified	I	1984	1,000	8.0	34	274,727
Michigan	Royal Oak, Ferndale	I-696	Comb/Concrete/Brick	I	1984	3,050	10.0	75	2,280,425
Michigan	Royal Oak, Ferndale	I-696	Berm Only	I	1984	1,781	16.0	9	255,131
Michigan	Royal Oak/Madison Hights	I-75	Comb/Concrete/Block	II	1997	10,319	15.0	36	5,629,974
Michigan	Southfield	I-696	Brick	I	1986	1,102	10.0	31	346,650
Michigan	Southfield	I-696	Brick	I	1987	1,656	10.0	38	626,208
Michigan	Southfield	I-696	Block	I	1997	4,408	15.0	43	2,851,780
Michigan	Southfield, Oak Park	I-696	Comb/Concrete/Brick	I	1987	1,069	7.0	51	379,576
Michigan	Southgate	I-75	Comb/Berm/Metal	II	1975	1,748	13.0	40	907,406
Michigan	Southgate	I-75	Concrete/Precast	O	2009	1,762	12.0	49	1,046,455
Michigan	St. Clair Shores	I-94	Brick	II	2005	2,510	13.0	54	1,770,710
Michigan	St. Clair Shores	I-94	Brick	II	2006	5,280	13.0	70	4,809,129
Michigan	St. Clare Shores	I-94	Block	II	2000	8,395	10.0	63	5,322,338
Michigan	Sterling Heights	M-53	Concrete/Precast	I	2010	3,212	15.0	31	1,502,101
Michigan	Sterling Heights	M-59	Block	I	1994	1,014	11.0	32	362,194
Michigan	Taylor	I-75	Wood/Unspecified	II	1988	220	9.0	40	79,938
Michigan	Taylor	I-75	Concrete/Precast	II	1988	2,083	11.0	45	1,032,521
Michigan	Taylor	I-94	Wood/Unspecified	II	1994	154	10.0	10	16,002
Michigan	Taylor	I-94	Block	II	1994	5,192	13.0	31	2,124,724
Michigan	Taylor	I-94	Comb/Berm/Concrete	I	2010	7,260	13.0	55	5,230,217
Michigan	Warren	I-696	Brick	II	1989	4,887	9.0	40	1,742,660
Michigan	Warren	I-696	Comb/Concrete/Brick	II	1994	1,033	13.0	43	578,909
Michigan	Woodhaven	I-75	Block	II	1985	2,578	16.0	32	1,315,065
Michigan	Wyoming	US 131	Concrete/Precast	I	1987	1,253	10.0	24	298,872
Michigan	Wyoming	US 131	Concrete/Precast	I	1991	6,360	16.0	26	2,675,017
Michigan	Ypsilanti	I-94	Block	II	1995	3,267	15.0	30	1,479,852
Michigan	Ypsilanti	I-94	Concrete/Precast	II	2005	9,146	15.0	62	8,444,676
Michigan	Ypsilanti Twp	I-94	Wood/Post & Plank	I	1989	308	10.0	25	76,148
Michigan	Ypsilanti Twp	I-94	Comb/Berm/Block	I	1992	5,789	16.0	40	3,739,003
Michigan	Ypsilanti Twp	I-94/US 12	Block	I	1989	10,312	15.0	31	4,862,600
Subtotal						312,966			142,462,969