Freeway Management and Operations Handbook
Over the past three decades, the practice of freeway operations has matured. Strategies have evolved, techniques have been developed, and new technologies (ITS) have emerged. Traffic operation centers have reported successes and failures as lessons learned. The intelligent transportation community has quickly incorporated those lessons, and the resultant systems have progressed with each new generation of the freeway traffic management system.
The profession's view of freeway management and operations has also changed. Freeway management strategies and concepts were initially developed to counter congestion. That is still a major goal, along with enhance safety. But freeway practitioners are also beginning to view themselves as good stewards and responsible managers, managing not only the traffic flow on the network but also the being more proactive in addressing potential problems, rather than merely reactive. Moreover, part of this stewardship includes managing the elements of the network itself (e.g., asset management), not just the traffic flow. Another important consideration in this regard is that transpo rtation is becoming increasingly customer-driven, with a need to view the network at more of a regional scale.
This expanded view of freeway operations and management is reflected in the key and recurring themes in this Handbook, including: