Cost-Effectiveness and Energy Benefits of Dynamic Lane Assignment Signs

摘要

This research report documents the procedure adopted to identify the most cost-effective Dynamic Lane Assignment Signs (DALAS) system for various freeway design and operations problems. This procedure involves evaluation of the operational effectiveness of the two DALAS systems now operating in Texas cities, estimation of true construction and maintenance costs, performance of cost-effectiveness analysis of the two systems, recommendation of optimal strategies for various typical applications, and estimation of potential energy savings for all designs.