HowStuffWorks: How Intelligent Highways Will Work - 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.
HowStuffWorks: How E-ZPass Works - Fully illustrated tutorial explains E-Zpass, an electronic toll-collection system consisting of a 900-MHz band car transponder, antenna, lane controller, LAN and host computer system.
M-TAG - Electronic toll collection system for bridges and tunnels in Baltimore, Maryland, U.S.
Toll Facilities in the United States - Full and partial lists with details, courtesy the Federal Highway Administration.
Traffic Technologies, Incorporated - Consultants for Intelligent Transportation Systems (ITS). Has links to clients.
TollRoadsNews - Online private newsletter providing information and commentary.
International Bridge, Tunnel and Turnpike Association - Alliance of toll operators and associated industries. Includes news and resources.
Roam - Electronic toll collection system used around Sydney, Australia, including on the M7. Includes e-TAG and e-PASS transponder information.
MACPASS - Automated Toll Collection System - Service available for crossing of various bridges in the Maritime Provinces of Canada. Site includes FAQ, price information, and application forms.
Halifax-Dartmouth Bridge Commission - Authority for the Angus L. Macdonald and A. Murray MacKay Bridges that connect Halifax to Dartmouth in Nova Scotia, Canada.
Highway Toll Administration - Provides electronic toll collection services. Site includes client information.
Electronic Toll Collection System - Metro Road Systems' division. Includes client list.
E-ZPass Interagency Group - Provides electronic toll collection interoperation. Lists members and gives contact information.
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