'Hours of Congestion' as a Transportation Measure of Effectiveness Under Capacity Constrained Conditions

摘要

IN ITE'S 1998 PAST PRESIDENTS' AWARD PAPER, THE AUTHOR DISCUSSES HOW SOME TRADITIONAL EVALUATION TOOLS NEED TO BE MODIFIED TO RESPOND ADEQUATELY TO CHANGING TRAVEL PATTERNS. THE TRANSPORTATION PROFESSION NEEDS TO RESPOND TO CHANGING NEEDS AS MAJOR METROPOLITAN AREAS ACROSS THE COUNTRY STRUGGLE TO DEAL WITH INCREASED LEVELS OF CONGESTION. THESE UNPRECEDENTED CONGESTION LEVELS NOT ONLY CALL FOR INNOVATIVE, COST-EFFECTIVE SOLUTIONS TO TRANSPORTATION PROBLEMS BUT ALSO NEW TOOLS TO EVALUATE THE IMPACTS OF ALTERNATIVE IMPROVEMENTS.