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Texas Basemap - Transportation Map Data


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Resource type: Composite Resource
Storage: The size of this resource is 1.8 GB
Created: Apr 17, 2018 at 9:50 a.m.
Last updated: Nov 26, 2018 at 4:18 a.m.
DOI: 10.4211/hs.106b38ab28b54f09a2c7a11b91269192
Citation: See how to cite this resource
Content types: Geographic Feature Content 
Sharing Status: Published
Views: 615
Downloads: 82
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Abstract

This resource contains statewide networks of roadways, railroads, bridges, and low water crossings, for Texas only.

Roadways detail: The Transportation Planning and Programming (TPP) Division of the Texas Department of Transportation (TxDOT) maintains a spatial dataset of roadway polylines for planning and asset inventory purposes, as well as for visualization and general mapping. M values are stored in the lines as DFOs (Distance From Origin), and provide the framework for managing roadway assets using linear referencing. This dataset covers the state of Texas and includes on-systems routes (those that TxDOT maintains), such as interstate highways, U.S. highways, state highways, and farm and ranch roads, as well as off-system routes, such as county roads and local streets. Date valid as of: 12/31/2014. Publish Date: 05/01/2015. Update Frequency: Quarterly.

Bridges detail: As with the roadways, both on-system and off-system bridges are maintained in separate datasets (54,844 total bridges, 36,007 on-system and 18,837 off-system). Bridges have numerous useful attributes, see coding guide [1] for documentation. One such attribute identifies structures that cross water: the second digit of Item 42 “Type of Service”. If the second digit is between 5 and 9 (inclusive) then the structure is over water. The bridges datasets are valid as of December 2016.

The roadways and bridges datasets contained here were obtained directly from TxDOT through personal correspondence. An alternate resource that is more open is the Texas Natural Resources Information System (TNRIS) [2]. The railroads and low-water crossings were obtained through TNRIS.

References
[1] TxDOT Bridges Coding Guide (download below)
[2] TNRIS data downloads [https://tnris.org/data-download/#!/statewide]

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Resource Level Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
36.5007°
East Longitude
-93.5187°
South Latitude
25.8407°
West Longitude
-106.6443°

Content

README.md

Texas Basemap - Transportation Map Data

This resource contains statewide networks of roadways, railroads, bridges, and low water crossings, for Texas only.

Roadways detail

The Transportation Planning and Programming (TPP) Division of the Texas Department of Transportation (TxDOT) maintains a spatial dataset of roadway polylines for planning and asset inventory purposes, as well as for visualization and general mapping. M values are stored in the lines as DFOs (Distance From Origin), and provide the framework for managing roadway assets using linear referencing. This dataset covers the state of Texas and includes on-systems routes (those that TxDOT maintains), such as interstate highways, U.S. highways, state highways, and farm and ranch roads, as well as off-system routes, such as county roads and local streets. Date valid as of: 12/31/2014. Publish Date: 05/01/2015. Update Frequency: Quarterly.

Bridges detail

As with the roadways, both on-system and off-system bridges are maintained in separate datasets (54,844 total bridges, 36,007 on-system and 18,837 off-system). Bridges have numerous useful attributes, see coding guide [1] for documentation. One such attribute identifies structures that cross water: the second digit of Item 42 “Type of Service”. If the second digit is between 5 and 9 (inclusive) then the structure is over water. The bridges datasets are valid as of December 2016.

The roadways and bridges datasets contained here were obtained directly from TxDOT through personal correspondence. An alternate resource that is more open is the Texas Natural Resources Information System (TNRIS) [2]. The railroads and low-water crossings were obtained through TNRIS.

References

[1] TxDOT Bridges Coding Guide (download below)

[2] TNRIS data downloads [https://tnris.org/data-download/#!/statewide]

References

Related Resources

This resource cites: TNRIS data downloads [https://tnris.org/data-download/#!/statewide]
This resource belongs to the following collections:
Title Owners Sharing Status My Permission
Harvey Basemap Data Collections David Arctur · Harvey datamgr  Published Open Access
Texas Addresses Basemap Collection David Arctur  Published Open Access

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Science Foundation (NSF) RAPID: Archiving and Enabling Community Access to Data from Recent US Hurricanes 1761673

Contributors

People that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Bridge Management Engineering Tom Yarbrough Texas Department of Transportation (TXDOT) Austin, TX
Transportation Planning and Programming Division Travis Scruggs Texas Department of Transportation (TXDOT) Austin, TX

How to Cite

Texas Department of Transportation (TXDOT), Texas Natural Resources Information System (TNRIS) (2018). Texas Basemap - Transportation Map Data, HydroShare, https://doi.org/10.4211/hs.106b38ab28b54f09a2c7a11b91269192

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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