Smart Congestion Relief Comprehensive Analysis Of Traffic Congestion Costs and Congestion Reduction Benefits

Abstract

This report critically evaluates the methods used to measure traffic congestion impacts. Current methods tend to exaggerate congestion costs and roadway expansion benefits. This study develops a more comprehensive evaluation framework which is applied to four congestion reduction strategies: Roadway expansion, improving alternative modes, pricing reforms, and smart growth land use policies. The results indicate that highway expansion often provides less overall benefit than alternative congestion reduction policies. Comprehensive evaluation can identify more efficient and equitable congestion solutions. It is important that decision makers understand the omissions and biases in current evaluation methods.

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