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Service Description: Full Metadata This web service layer depicts gridded Vehicle Miles Traveled (VMT) for 2014 from the National Emission Inventory (NEI). The default 2014 National Emissions Inventory (NEI) vehicle miles traveled (VMT) data are developed primarily from information provided by the Federal Highway Administration (FHWA), along with the FHWAs published Highway Statistics 2014, data from the Bureau of Census, and information provided by the US Environmental Protection Agency (EPA). This 2014 full VMT database was developed to provide default VMT at the county, road type, and vehicle type level of detail, to be used in the 2014 NEI in areas for which no state or local agency provided VMT data. The road types included were the 12 Highway Performance Monitoring System (HPMS) functional roadway types while the vehicle types used were the six MOVES HPMS vehicle types , for a total of 72 records per county. To be compatible with MOVES inputs and for easy import into the MOVES HPMSVtypeYear table, the data were also provided at the level of county and HPMSVtypeID. In both cases, the VMT data provided are annual data in units of millions of vehicle miles. The 2014 VMT database was developed using data supplied directly by FHWA and as well as publicly available data from the 2014 version of FHWAs Highway Statistics data series (http://www.fhwa.dot.gov/policyinformation/statistics/2014/). The FHWA data sets that were provided include a subset of fields from the 2014 HPMS database. The HPMS database is at the link level of detail. Each link is coded with the corresponding state, county, and, if applicable, urban area code. The roadway functional system code is included. The beginning point and ending point mileage of the link are included, from which the length of the link can be calculated. In addition, the total average annual daily traffic (AADT) volume is included along with AADT for single-unit trucks and combination trucks. Annual VMT can then be calculated by multiplying the link length by the AADT and multiplying by 365. 2014 annual county-level VMT data was spatially allocated to the 12US2 (12km Contintental US) grid using spatial surrogates corresponding to different road types. SMOKE was used first to apply the spatial surrogates to the VMT data.
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Description: Full Metadata This web service layer depicts gridded Vehicle Miles Traveled (VMT) for 2014 from the National Emission Inventory (NEI). The default 2014 National Emissions Inventory (NEI) vehicle miles traveled (VMT) data are developed primarily from information provided by the Federal Highway Administration (FHWA), along with the FHWA’s published Highway Statistics 2014, data from the Bureau of Census, and information provided by the US Environmental Protection Agency (EPA). This 2014 full VMT database was developed to provide default VMT at the county, road type, and vehicle type level of detail, to be used in the 2014 NEI in areas for which no state or local agency provided VMT data. The road types included were the 12 Highway Performance Monitoring System (HPMS) functional roadway types while the vehicle types used were the six MOVES HPMS vehicle types , for a total of 72 records per county. To be compatible with MOVES inputs and for easy import into the MOVES HPMSVtypeYear table, the data were also provided at the level of county and HPMSVtypeID. In both cases, the VMT data provided are annual data in units of millions of vehicle miles. The 2014 VMT database was developed using data supplied directly by FHWA and as well as publicly available data from the 2014 version of FHWA’s Highway Statistics data series (http://www.fhwa.dot.gov/policyinformation/statistics/2014/). The FHWA data sets that were provided include a subset of fields from the 2014 HPMS database. The HPMS database is at the link level of detail. Each link is coded with the corresponding state, county, and, if applicable, urban area code. The roadway functional system code is included. The beginning point and ending point mileage of the link are included, from which the length of the link can be calculated. In addition, the total average annual daily traffic (AADT) volume is included along with AADT for single-unit trucks and combination trucks. Annual VMT can then be calculated by multiplying the link length by the AADT and multiplying by 365. 2014 annual county-level VMT data was spatially allocated to the 12US2 (12km Contintental US) grid using spatial surrogates corresponding to different road types. SMOKE was used first to apply the spatial surrogates to the VMT data.
Copyright Text: U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS)
Spatial Reference:
102100
(3857)
Single Fused Map Cache: false
Initial Extent:
XMin: -1.512513113967748E7
YMin: 1640509.3196397615
XMax: -6221746.085022519
YMax: 7520657.031560237
Spatial Reference: 102100
(3857)
Full Extent:
XMin: -1.39030258654E7
YMin: 2804629.8781000003
XMax: -7443851.359300001
YMax: 6356536.473099999
Spatial Reference: 102100
(3857)
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: National Emissions Inventory Vehicle Miles Traveled, U.S., EPA/OAR/OAQPS/AQAD
Author: Map Service: USEPA Office of Environmental Information (OEI). Data: U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS), Federal Highway Administration (FHWA)
Comments: Full Metadata This web service layer depicts gridded Vehicle Miles Traveled (VMT) for 2014 from the National Emission Inventory (NEI). The default 2014 National Emissions Inventory (NEI) vehicle miles traveled (VMT) data are developed primarily from information provided by the Federal Highway Administration (FHWA), along with the FHWA’s published Highway Statistics 2014, data from the Bureau of Census, and information provided by the US Environmental Protection Agency (EPA). This 2014 full VMT database was developed to provide default VMT at the county, road type, and vehicle type level of detail, to be used in the 2014 NEI in areas for which no state or local agency provided VMT data. The road types included were the 12 Highway Performance Monitoring System (HPMS) functional roadway types while the vehicle types used were the six MOVES HPMS vehicle types , for a total of 72 records per county. To be compatible with MOVES inputs and for easy import into the MOVES HPMSVtypeYear table, the data were also provided at the level of county and HPMSVtypeID. In both cases, the VMT data provided are annual data in units of millions of vehicle miles. The 2014 VMT database was developed using data supplied directly by FHWA and as well as publicly available data from the 2014 version of FHWA’s Highway Statistics data series (http://www.fhwa.dot.gov/policyinformation/statistics/2014/). The FHWA data sets that were provided include a subset of fields from the 2014 HPMS database. The HPMS database is at the link level of detail. Each link is coded with the corresponding state, county, and, if applicable, urban area code. The roadway functional system code is included. The beginning point and ending point mileage of the link are included, from which the length of the link can be calculated. In addition, the total average annual daily traffic (AADT) volume is included along with AADT for single-unit trucks and combination trucks. Annual VMT can then be calculated by multiplying the link length by the AADT and multiplying by 365. 2014 annual county-level VMT data was spatially allocated to the 12US2 (12km Contintental US) grid using spatial surrogates corresponding to different road types. SMOKE was used first to apply the spatial surrogates to the VMT data.
Subject: Data are available for public access and use.
Category:
Keywords: EPA,Vehicle Miles Traveled,Federal Highway Administration,FHWA,Air,Transportation,Air Quality,OAR-OAQPS
AntialiasingMode: None
TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 1000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON
Supports Query Data Elements:
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
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