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Welcome to the Transportation Geographic Information Section (TGIS)

Visit ALASKA'S TGIS ArcGIS Online map portal for a larger map
with more options. While you're there be sure to explore "HOME" and "GALLERY".

The main objectives of this section are:

To develop and continuously improve an accessible, accurate, and controlled inventory of public roadway features and linear coordinates for the Roadway Data System (RDS) network (Alaska DOT&PF's Linear Reference System or LRS) to meet Federal and State requirements and the expanded needs of mandatory data programs within the department.

To improve and expand Geographic Information System (GIS) services, mapping, database management, web applications, training and technical/graphic assistance in support of DOT&PF’s core business areas, Federal requirements and the new directives in The Fixing America's Surface Transportation Act (FAST Act).

Responsibilities of this section include:

  • Building, disseminating and managing the state's transportation layers and spatial information.
  • Provide and develop geo-spatial data and the tools needed to retrieve, display and analyze spatial information, including technical support.
  • Provide department mapping and graphic support for representing and displaying various transportation themes and information.

Make sure to sign up for Alaska DOT&PF Gov Delivery button notification service to get email or text alerts of important changes or updates to these and other Transportation Data pages!

TGIS is always working on improvements to this website and applications. Feedback is always encouraged and appreciated.

For help, to report a problem, or recommend an enhancement please Contact Us.
Please read our DISCLAIMER for important information about the use of AK DOT&PF applications and information.