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Welcome!

Alaska GIS Mapping Project
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Welcome to the Federal Highway Administration's (FHWA) GIS in Transportation website. Here you can learn about noteworthy practices and innovative uses of GIS for transportation, find out about GIS-related events, explore other GIS resources, and learn who to contact in FHWA about particular GIS questions or issues.

What is GIS?

A Geographic Information System (GIS) is a collection of computer software, hardware, data, and personnel used to store, manipulate, analyze, and present geographically referenced information. Spatial features are stored in a coordinate system that references the Earth. Attribute (or descriptive) data can then be associated with these spatial features. Spatial data and its associated attribute information can then be layered on top of one another for viewing and analysis. Using GIS, planners, engineers, and other professionals can holistically and efficiently view multiple items of interest about a particular geographic area.

What's New?

Find other recent additions to the GIS in Transportation website.

  

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