Environmental, Social, and Economic Effects of Transportation~Transportationresearch record

摘要

;Contents: Traffic-Noise Impact Study for Least Bell's Vireo Habitat AlongCalifornia State Route 83; Method for Measuring Vehicle Noise Source Heights and Subsource Spectra; Effect of Vehicle Speed on Sound Frequency Spectra; Noise Reduction Retrofit on Historic Structures; HITEC Evaluation of U.S. Gypsum Sight and Sound Screen; Avoidance of Nonanadromous Fish Passage Impedance Caused by Highway Culverts; Residents; Perceptions and Field Measurements of Helicopter Operations; Current State of Biodiversity Impact Analysis in State Transportation Agencies; Cost-of-Delay Studies for Freeway Closures Caused by Northridge Earthquake; Estimated Construction Period Impact of Widening State Highway 21 in Caldwell, Texas; Residential Noise Damage Costs Caused by Motor Vehicles; Operationalizing Concepts of Equity for Public Project Investments; and Impact of Low-Volume Road Network Improvements on Rural Community Development in Finland.