Bureau of Transportation Statistics, and Environmental Systems Research , Inc. (ESRI), 20020401, GISDATA.NEW_road_interstate_250k: ESRI Data & Maps 2002, Environmental Systems Research Institute, Inc. (ESRI), Redlands, California, USA.Online Links:
- Server=rainbow.sunsite.utk.edu; Service=5151; User=gisdata; Version=SDE.DEFAULT
This is a Vector data set. It contains the following vector data types (SDTS terminology):
Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.000000. Longitudes are given to the nearest 0.000000. Latitude and longitude values are specified in Decimal degrees.
The horizontal datum used is D_WGS_1984.
The ellipsoid used is WGS_1984.
The semi-major axis of the ellipsoid used is 6378137.000000.
The flattening of the ellipsoid used is 1/298.257224.
Sequential unique whole numbers that are automatically generated.
Coordinates defining the features.
| Value | Definition |
|---|---|
| Type, represented by the first character. | (blank) - not signed, I - Interstate, U - U.S. route, S - State route, O - Off-Interstate business marker, C - County route, T - Township, M - Municipal, P - Parkway or Forest route marker, N- None of the above. |
| Sign route number (can include a directional indicator), represented by all the following characters up to but not including a blank. | Any combination of: AZ, 09, N, S, E, W. |
| A blank space. | This separates the sign route number from the qualifier. |
| Qualifier, represented by the last character when preceded by a blank. | (blank) - No qualifier, not signed, or not applicable; A - Alternate route; B - Business route; P - Bypass; S - Spur; L - Loop; F - Proposed (future); D - Temporary (detour); T - Truck route; N - None of the above. |
Calculated lengths for the features.
Calculated lengths for the features.
Members of the Geographic Information Systems Laboratory, Pellissippi Research Institute, The University of Tennessee, Knoxville.
Environmental Systems Research Institute, Inc. (ESRI)
c/o Data Team
380 New York Street
Redlands, California 92373-8100
USA
909-793-2853 (voice)
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- Contact_Instructions:
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U.S. National Transportation Atlas Interstate Highways provides a comprehensive database of interstate highways from the nation's principal arterial highway system and the National Highway System. The data is generalized to improve draw performance and be used effectively at a national level.
Bureau of Transportation Statistics, 1997, National Highway Planning Network: National Highway Planning Network Version 2.1, Bureau of Transportation Statistics, Washington, DC, USA.This is part of the following larger work.
Bureau of Transportation Statistics, 1997, National Transportation Atlas Databases: National Transportation Atlas Databases 1997, Bureau of Transportation Statistics, Washington, DC, USA.
Note: "National Highway Planning Network Version 2 Machine Readable Data Files" prepared by the Federal Highway Administration, Office of Environment and Planning (HEP-11), Washington DC, 1994
Additionally, the data was "clipped" to the southern and eastern states with ArcMap 8.2.
Person who carried out this activity:
NBII-SAINData sources produced in this process:
Data sources used in this process:
Data sources used in this process:
Data sources used in this process:
Data sources used in this process:
The original positional accuracy of the data set had a maximal positional error of 80 meters, and then it was generalized (tolerance unknown). The positional accuracy is unknown.
After processing, the data set is checked for drawing display and number of records and file sizes compared with source materials. NBII-SAIN (ed.) created this file by clipping from the merged boundaries of three TN counties (Hamilton, Marion, and Sequatchie), two AL counties (Dekalb and Jackson), and three GA counties (Dade, Walker, and Catoosa) using the ESRI 2002 intrstat.shp. NBII-SAIN website: (<http://sain.nbii.gov/>).
No duplicate features are present. The shapefile is exported using Avenue request ExportClean. This request verifies and enforces the correctness of shapes.
Are there legal restrictions on access or use of the data?
- Access_Constraints: Access granted to Licensee only.
- Use_Constraints:
- The data are provided by multiple, third party data vendors under license to ESRI for inclusion on ESRI Data & Maps CD?ROMs for use with ESRI® software. Each data vendor has its own data licensing policies and may grant varying redistribution rights to end users. Please consult the redistribution rights below for this data set provided on ESRI Data & Maps CD?ROMs. As used herein, ?Geodata? shall mean any digital data set consisting of geographic data coordinates and associated attributes.
The redistribution rights for this data set: Public domain data from U.S. government is freely redistributable with proper metadata and source attribution.
The terms and conditions below apply to all the data sets provided on the ESRI Data & Maps CD?ROMs.
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In the event that the data vendor(s) has (have) granted the end user permission to redistribute the Geodata, please use proper proprietary or copyright attribution for the various data vendor(s), and provide the associated metadata file(s) with the Geodata. In compliance with FGDC metadata standards, ESRI has attempted to practice proper metadata methodologies by providing any data source information, descriptions, and file names to assist in this effort.
Environmental Systems Research Institute, Inc. (ESRI); ESRI International Distributors
380 New York Street
Redlands, California 92373-8100
USA
800-447-9778 (voice)
- Contact_Instructions:
- In the United States, contact the ESRI Telesales staff at 800-447-9778 for more information about our software and data.
Outside the United States, please direct all inquiries to your local ESRI International Distributor. This information can be found at <http://gis.esri.com/intldist/contactint.cfm>.
Offline Data
See use constraints.
| Data format: | SHP The SHP file contains the geospatial data. The SHX file contains the index of the geospatial data. The DBF file contains the attribute data in dBASE format. The PRJ file contains the coordinate system information (optional). The AVL file contains the legend information (optional). The SBN and SBX files contain the spatial index of the geospatial data (optional). The XML file contains the metadata describing the data set <data set name>.shp.xml (optional). Size: 0.787 |
|---|---|
| Media you can order: |
ESRI Data & Maps 2002 CD?ROM Set is available only as part of ESRI® software.
(Density 650
MB (megabytes))
(format ISO 9660)
|
To use this data requires software that supports ArcView® GIS shapefiles.
Environmental Systems Research Institute, Inc. (ESRI)
c/o Data Team
380 New York Street
Redlands, California 92373-8100
USA
909-793-2853 (voice)
909-793-5953 (FAX)
info@esri.com
- Hours_of_Service: 8:00 a.m.5:30 p.m. Pacific time, MondayFriday