Metadata for Montana Highways from 1:100,000 scale TIGER data, 1990 Metadata for Montana Highways from 1:100,000 scale TIGER data, 1990

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Identification Information:

Citation:

Originator: Montana State Library
Publication date: 04/28/1993
Title: Montana Highways from 1:100,000 scale TIGER data, 1990
Other citation details:: The former name of the data set on the NRIS web site was "rd16"
Online linkage: https://ftpgeoinfo.msl.mt.gov/Data/Spatial/NonMSDI/Shapefiles/Highways1990.zip

Browse graphic file name: https://ftpgeoinfo.msl.mt.gov/Documents/Maps/Thumbnails/19940810_577_thumb.jpg
Browse graphic file description: Thumbnail image of Montana Highway map

Browse graphic file name: https://ftpgeoinfo.msl.mt.gov/Documents/Maps/Individual/19940810_577_1994_Roads.gif
Browse graphic file description: Montana Highway map

Abstract:

Montana highways, selected by the Montana State Library from US Census Bureau 1:100,000 scale TIGER files, 1990.

Time period of content:

Calendar date: 1990
Currentness reference: Publication Date

Status:

Progress: Complete

Access constraints: None

Use constraints:

The Montana State Library provides this product/service for informational purposes only. The Library did not produce it for, nor is it suitable for legal, engineering, or surveying purposes. Consumers of this information should review or consult the primary data and information sources to ascertain the viability of the information for their purposes. The Library provides these data in good faith but does not represent or warrant its accuracy, adequacy, or completeness. In no event shall the Library be liable for any incorrect results or analysis; any direct, indirect, special, or consequential damages to any party; or any lost profits arising out of or in connection with the use or the inability to use the data or the services provided. The Library makes these data and services available as a convenience to the public, and for no other purpose. The Library reserves the right to change or revise published data and/or services at any time.

Point of contact:

Montana State Library
PO Box 201800
Helena, Montana 59620-1800
Telephone: 406-444-5354
TDD/TTY telephone: Montana Relay 711
Fax: 406-444-0266
E-Mail: geoinfo@mt.gov

Data Quality Information:

Completeness report:

This is a complete representation of the Federal-Aid Interstate and Primary highway systems, with a few major Secondary and other roads added.

Horizontal Positional Accuracy Report:

Approximate accuracy of 1:100,000 scale data is 50 meters. It is not known which lines in this data set represent highways that have been replaced by newer roads or rebuilt in different locations.

Lineage:

Source information:

Originator: U.S. Census Bureau
Publication date: 1990
Title: 1990 TIGER/Line Files
Edition: Census
Source scale denominator: 100000
Source contribution:: The lines in the data set were selected from this source at the Montana State Library.
Calendar date: 1990

Process step:

Select highways from TIGER data and merge 56 county files and Yellowstone National Park into one coverage.


Process date: 04/28/1993

Process step:

Correct the name of the highway between Jordan and Miles City -- change from MT22 to MT59.


Process date: 12/08/2005

Process step:

Correct names of highways. Change MT24W near Glasgow to MT24. Change MT13W near Wolf Point to MT25. Add MT3 to the route between Great Falls and Lavina.


Process date: 07/20/2006

Spatial Data Organization Information:

Point and vector object information:

SDTS object type: String

SDTS object count: 322

Spatial Reference Information:

Horizontal coordinate system definition:

Grid coordinate system name: State Plane Coordinate System 1983

SPCS zone identifier: 2500

Lambert conformal conic:

Standard parallel: 45
Standard parallel: 49
Longitude of central meridian: -109.5
Latitude of projection origin: 44.25
False easting: 600000.00000
False northing: 0.00000

Planar distance units: meters

Geodetic model:

Horizontal datum name: North American Datum of 1983
Ellipsoid name: Geodetic Reference System 80
Semi-major axis: 6378137
Denominator of flattening ratio: 298.257

Entity and Attribute Information:

Entity type label: Highways1990.dbf

Entity type definition: feature attribute table

Attribute label: FID

Attribute definition: Shapefile sequence number

Attribute label: Shape

Attribute definition: Feature coordinates

Attribute label: FNODE_

Attribute definition: ID number of feature from-node

Attribute label: TNODE_

Attribute definition: ID number of feature to-node

Attribute label: LENGTH

Attribute definition: Length of feature in Meters

Attribute label: RD16_ID

Attribute definition:: Feature ID Number from original coverage version of the layer

Attribute label: NAME

Attribute definition:: Route Name
Example route names are "I90" (Interstate 90), "US93" (U.S. 93), "MT200" (Montana 200), and "S274" (Secondary 274). If more than one route follows a feature, there will be several names separated by spaces.

Attribute label: MILES