| 1. | Ramp Meters | | | A list of all cities that use ramp metering systems. www.ajfroggie.com |
| 2. | E-Z Pass | | | Electronic toll collection system that is common in the Northeast U.S. www.ezpass.com |
| 3. | 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. www.howstuffworks.com |
| 4. | 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. www.howstuffworks.com |
| 5. | M-TAG | | | Electronic toll collection system for bridges and tunnels in Baltimore, Maryland, U.S. www.m-tag.com |
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