BTS remains open except for the Office of Airline Information, which is closed and not accepting data submissions due to an appropriations lapse.
All BTS releases, except the Transportation Services Index, will be delayed.

Legacy Publication

You are here

TABLE 4-56 Highway Noise Barrier Construction (Miles)

Excel | CSV

  (R) Unknown (R) 1963-1989 (R)1990 (R)1991 (R)1992 (R)1993 (R)1994 (R)1995 (R)1996 (R)1997 (R)1998 (R)1999 (R)2000 (R)2001 (R)2002 (R)2003 (R)2004 (R)2005 (R)2006 (R)2007 (R)2008 (R)2009 (R)2010 2011 2012 2013 Total 1963-2013
TOTAL length 7 773 51 99 139 100 80 117 53 73 136 56 80 134 97 99 101 102 122 116 57 104 127 75 62 90 3,051
Type I barriersa 6 530 41 77 106 74 56 86 35 51 110 32 68 96 71 80 82 65 93 70 41 75 107 65 55 85 2,256
Type II barriersb 2 193 9 19 23 26 18 28 14 20 25 20 10 19 10 3 13 11 7 20 3 8 9 6 6 4 527
All other typesc 0 50 0 3 10 0 6 2 4 2 2 3 3 19 17 15 6 25 23 26 14 21 12 4 1 0 268
Cost (2013$ millions) 0 1,294 134 204 232 167 169 229 90 214 286 140 194 334 348 223 244 216 283 309 118 238 299 171 154 161 6,453

KEY: R = revised.

a A Type I barrier is built on a new highway project or a physically altered existing highway.

b A Type II barrier is built to abate noise along an existing highway (often referred to as retrofit abatement) and is not mandatory.

c All other types of barriers are nonfederally funded.

d Have not been assigned a year of construction or a cost.

NOTES

Miles of noise barriers can neither be assigned a year of construction nor a cost.

Miles of barriers, while assigned a year of construction, cannot be assigned a cost.

SOURCE

U.S. Department of Transportation, Federal Highway Administration, Office of Planning, Environment, and Realty, Summary of Noise Barriers Constructed by December 31, 2013 (Washington, DC: May 2016), available at http://www.fhwa.dot.gov/environment/noise/noise_barriers/inventory/ as of June 2016.

Updated: Sunday, May 21, 2017