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U.S. Department of Transportation/Federal Highway Administration Planning, Environment, Realty (HEP)
HEPGIS
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Welcome to FHWA HEPGIS maps
Data Source:

FHWA Office of Freight Management and Operations, please contact faf@dot.gov for any questions related to Freight Analysis Framework.


Data Source:
U.S. Census Bureau, 2010 Decennial Census

Data Source:
U.S. Census Bureau, 2010 Decennial Census

Data Source:
U.S. Census Bureau, 2010 Decennial Census

Data Source:
U.S. Census Bureau, 2010 Decennial Census

Data Source:
U.S. Census Bureau, 2010 Decennial Census

Data Source:
U.S. Census Bureau, 2000 Decennial Census

Data Source:
U.S. Census Bureau, 2000 Decennial Census

Data Source:
U.S. Census Bureau, 2000 Decennial Census

Data Source:
U.S. Census Bureau, 2000 Decennial Census

Data Source:
U.S. Census Bureau, 2000 Decennial Census

Data Source:
2007 average unemployment rate: Bureau of Labor Statistics

Data Source:
2008 average unemployment rate: Bureau of Labor Statistics

Data Source:
2009 average unemployment rate: Bureau of Labor Statistics

Data Source:
2010 average unemployment rate: Bureau of Labor Statistics

Data Source:
2011 average unemployment rate: Bureau of Labor Statistics

Data Source:
National Bridge Inventory, Federal Highway Administration (FHWA), USDOT, 2011
Data Source:

2007 Freight Analysis Framework Network AADT data. FHWA Office of Freight Management and Operations, please contact faf@dot.gov for any questions related to Freight Analysis Framework.

Data Source:

FHWA Office of Freight Management and Operations, please contact faf@dot.gov for any questions related to Freight Analysis Framework.

Data Source:

FHWA Office of Freight Management and Operations, please contact faf@dot.gov for any questions related to Freight Analysis Framework.

Data Source:

FHWA Office of Freight Management and Operations, please contact faf@dot.gov for any questions related to Freight Analysis Framework.

Data Source:

Freight Analysis Framework, FHWA Office of Freight Management and Operations.

The National Network of conventional combination trucks was authorized by the Surface Transportation Assistance Act of 1982 (P.L. 97-424) and specified in the U.S. Code of Federal Regulations (23 CFR 658) to require states to allow conventional combinations on "the Interstate System and those portions of the Federal-aid Primary System … serving to link principal cities and densely developed portions of the States … [on] high volume route[s] utilized extensively by large vehicles for interstate commerce … [which do] not have any unusual characteristics causing current or anticipated safety problems."

Conventional combinations are tractors with one semitrailer up to 48 feet in length or with one 28-foot semitrailer and one 28-foot trailer, and can be up to 102 inches wide.

Data Source:

Environmental Protection Agency, The Green Book Nonattainment Areas for Criteria Pollutants, as of August 30, 2011.

Data Source:

Environmental Protection Agency, The Green Book Nonattainment Areas for Criteria Pollutants, as of August 30, 2011.

Data Source:

Environmental Protection Agency, The Green Book Nonattainment Areas for Criteria Pollutants, as of August 30, 2011.

Data Source:

Environmental Protection Agency, The Green Book Nonattainment Areas for Criteria Pollutants, as of August 30, 2011.

Data Source:

Environmental Protection Agency, The Green Book Nonattainment Areas for Criteria Pollutants, as of August 30, 2011.

Data Source:

Environmental Protection Agency, The Green Book Nonattainment Areas for Criteria Pollutants, as of August 30, 2011.

Data Source:

Environmental Protection Agency, The Green Book Nonattainment Areas for Criteria Pollutants, as of August 30, 2011.


Updated: 03/13/14

Date: Effective October 1, 2012

Data Source:
FHWA Office of Planning, Environment and & Realty, please contact Mike Neathery for any questions related to MAP-21 NHS. You can also read FAQ at http://www.fhwa.dot.gov/map21/qandas/qanhs.cfm


Data Source:

National Highway System (NHS), Federal Highway Administration (FHWA), USDOT, Version 2010.11.


Data Source:

MPO Boundaries updated: October 18, 2013

Federal Highway Administration (FHWA), USDOT, 2012

*New - 2010 Urbanized Areas, U.S. Census Bureau, March 26, 2012

Download the 2010 Urbanized Area Boundary Shapefile

Download the 2010 MPO Boundary Shapefile

Data Source:

Federal Highway Administration (FHWA), USDOT, 2012. U.S. Census Bureau, 2010 Decennial Census

*New - 2010 Urbanized Areas, U.S. Census Bureau, March 26, 2012

Data Source:

Federal Highway Administration (FHWA), USDOT, 2011. U.S. Census Bureau, 2000 Decennial Census

*New - 2010 Urbanized Areas, U.S. Census Bureau, March 26, 2012


Data Source:

Date: Oct 13, 2013

Draft Highway Primary Freight Network, Federal Highway Administration, Office of Management and Operations, please contact Ed Strocko for any questions related to PFN or visit PFN website at Freight Network.

Data Source:

Federal Lands of the United States, Federal Atlas of the United States, 2005.
Indian Reservation, Bureau of Indian Affairs (BIA), 2004.

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS.

Please contact Supin Yoder if you have any questions.