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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
Updated: 06/06/14

Data Source:

Version FAF3_5. 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:
2012 average unemployment rate: Bureau of Labor Statistics

Data Source:
2013 average unemployment rate: Bureau of Labor Statistics

Data Source:
2014 average unemployment rate: Bureau of Labor Statistics

Data Source:
National Bridge Inventory, Federal Highway Administration (FHWA), USDOT, 2011
Updated: 02/25/16

Data Source:

FHWA, Office of Highway Policy Information, 2012 National File (PA_NHS.zip) at, Highway Performance Monitoring System (HPMS). Please contact Tom Roff for any questions related to HPMS.

Updated: 05/23/14

Data Source:

Version FAF3_5. FHWA Office of Freight Management and Operations, please contact faf@dot.gov for any questions related to Freight Analysis Framework.

Updated: 05/23/14

Data Source:

Version FAF3_5. FHWA Office of Freight Management and Operations, please contact faf@dot.gov for any questions related to Freight Analysis Framework.

Updated: 06/06/14

Data Source:

Version FAF3_5. 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 (EPA), The Green Book.

Please contact Cecilia Ho at FHWA for any questions related to Non-Attainment/ Maintenance areas or areas subject to transportation conformity analysis.

Data Source:

Environmental Protection Agency (EPA), The Green Book.

Please contact Cecilia Ho at FHWA for any questions related to Non-Attainment/ Maintenance areas or areas subject to transportation conformity analysis.

Data Source:

Environmental Protection Agency (EPA), The Green Book.

Please contact Cecilia Ho at FHWA for any questions related to Non-Attainment/ Maintenance areas or areas subject to transportation conformity analysis.

Data Source:

Environmental Protection Agency (EPA), The Green Book.

Please contact Cecilia Ho at FHWA for any questions related to Non-Attainment/ Maintenance areas or areas subject to transportation conformity analysis.

Data Source:

Environmental Protection Agency (EPA), The Green Book.

Please contact Cecilia Ho at FHWA for any questions related to Non-Attainment/ Maintenance areas or areas subject to transportation conformity analysis.

Data Source:

Environmental Protection Agency (EPA), The Green Book.

Please contact Cecilia Ho at FHWA for any questions related to Non-Attainment/ Maintenance areas or areas subject to transportation conformity analysis.

Data Source:

Environmental Protection Agency (EPA), The Green Book.

Please contact Cecilia Ho at FHWA for any questions related to Non-Attainment/ Maintenance areas or areas subject to transportation conformity analysis.

Updated: 08/30/2016

Data Source: FHWA Office of Planning,
Environment & Realty, Effective 10/01/2012.

Please contact Mike Neathery for any questions related to NHS. You can also read FAQ.

To download the NHS shapefile go to: NHS

Updated: 07/28/2016

Data Source:
FAP: Highway Performance Monitoring System (HPMS) Truck Routes, Military Traffic Management Command Transportation Engineering Agency (MTMCTEA), National Network (NN) and Enhanced NHS (ENHS) with State DOT verification, FHWA.

NHS: NHS System, May 2016, FHWA

1991 Federal Aid Primary (FAP) system is included in the Primary System definition per U.S.C. Title 23, Section 131 Control of Outdoor Advertising. Please contact Clifford Pearson for any questions related to FAP.


Data Source:

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

MPO Boundaries updated: August 26, 2016
Data Source: Office of Planning, Federal Highway Administration (FHWA)

Download Shapefiles:
2010 Urbanized Area Boundary
MPO Boundary
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. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

Data Source:

NHTSA’s Fatality Analysis Reporting System (FARS) at www.nhtsa.gov/FARS. (Only fatal crashes with latitude/longitude coordinates are included in the map.)

MPO Boundaries updated: August 26, 2016
Data Source: Office of Planning, Federal Highway Administration (FHWA)

For TMAs (Transportation Management Areas) please see the Federal Register website or contact Spencer Stevens for more information.
Data Source:

Megaregion: FHWA Office of Planning. Note the megaregion boundaries and maps are provided for discussion purposes and do not have formal regulatory or policy standing. For more information please see the Megaregion web page.

MPO Boundaries updated: August 26, 2016
Office of Planning, Federal Highway Administration (FHWA)

Data Source:

Megaregion: FHWA Office of Planning. Note the megaregion boundaries and maps are provided for discussion purposes and do not have formal regulatory or policy standing. For more information please see the Megaregion web page.

NHS: FHWA Office of Planning, Environment & Realty, Effective 10/01/2012.

Data Source:

Megaregion: FHWA Office of Planning. Note the megaregion boundaries and maps are provided for discussion purposes and do not have formal regulatory or policy standing. For more information please see the Megaregion web page.

County population: Bureau of Census

Data Source:

Megaregion: FHWA Office of Planning. Note the megaregion boundaries and maps are provided for discussion purposes and do not have formal regulatory or policy standing. For more information please see the Megaregion web page.

MSA GDP: Bureau of Economic Analysis

Freight Analysis Framework (FAF): Version 3.5, Office of Freight Management and Operations.

Data Source:

Megaregion: FHWA Office of Planning. Note the megaregion boundaries and maps are provided for discussion purposes and do not have formal regulatory or policy standing. For more information please see the Megaregion web page.

Planning Travel Time Index: FHWA Office of Operation

Freight Analysis Framework (FAF): Version 3.5, Office of Freight Management and Operations.

Data Source:

Megaregion: FHWA Office of Planning. Note the megaregion boundaries and maps are provided for discussion purposes and do not have formal regulatory or policy standing. For more information please see the Megaregion web page.

Freight Analysis Framework (FAF): Version 3.5, Office of Freight Management and Operations.

Data Source:

County population estimates: Bureau of Census

Data Source:

County population estimates: Bureau of Census

Data Source:

County population estimates: Bureau of Census

Data Source:

County population estimates: Bureau of Census

Data Source:

County population estimates: Bureau of Census

For information and comments about this web site, contact Supin Yoder