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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

Hybrid Active/Passive Exhaust Noise Control System (APECS) For Locomotives

This report documents the analysis and development of an Active/Passive Exhaust Noise Control System (APECS) for railroad passenger locomotives that could provide at least 10 dBA noise reduction. Based on preliminary analyses and tests on actual locomotives in 1995 and 1996, a combination active...

Northeastern Railroad Problem

On February 9, 1973, Congress directed the Secretary of Transportation to provide, within 45 days, a plan to deal with the Northeast area rail problem. This report is submitted in response to that request