National Transportation Knowledge Network - Throughout the country, regional transportation knowledge networks (TKNs) are established or being developed to help facilitate access to information in support of transportation development.

Midwest Transportation Knowledge Network - Founded in December 2001, the MTKN is a network of state DOT and academic transportation libraries in the Midwest.

Western Transportation Knowledge Network - The Western Transportation Knowledge Network (WTKN) is comprised of member organizations from AASHTO Region 4. Membership includes libraries representing state Departments of Transportation (DOTs), academic institutions, transit agencies, metropolitan planning organizations (MPOs) and private industry.

National Transportation Library - The Research and Innovative Technology Administration (RITA) coordinates the U.S. Department of Transportation's (DOT) research programs and is charged with advancing the deployment of cross-cutting technologies to improve our Nation's transportation system.

Special Report 284: Transportation Knowledge Networks: A Management Strategy for the 21st Century

Transportation Research Thesaurus

NCHRP REPORT 643 - Implementing Transportation Knowledge Networks