Electronic toll collection system that is common in the Northeast U.S., based in New Jersey.

Alliance of toll operators and associated industries. Includes news and resources.

Electronic toll collection system for bridges and tunnels in Baltimore, Maryland, U.S.

Graphic narrative shows the future freeway's new, cheaper technology and explains how ubiquitous digital devices will aid in easing our traffic woes, perhaps using triangulation.

Online private newsletter providing information and commentary.

Electronic toll collection system used around Sydney, Australia, including on the M7. Includes e-TAG and e-PASS transponder information.

Provides electronic toll collection interoperation. Lists members and gives contact information.

Provides electronic toll collection services. Site includes client information.

Consultants for Intelligent Transportation Systems (ITS). Has links to clients.

Full and partial lists with details, courtesy the Federal Highway Administration.