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Transit Line Noise and Vibration Assessments
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- Assessed Noise and Vibration from Proposed Transit Projects with Light Rail Vehicles, Bus Rapid Transit (BRT), and Diesel Buses
- Surveyed Existing Ambient Noise along Rights-of-Way
- Measured Ambient Ground Vibration
- Tested Noise Emissions from Rail Vehicles on Both Tangent Track and in Tight-Radius Curves
- Measured Diesel Bus Noise Sound Levels
- Assessed Noise Exposures with Respect to Federal Transit Administration (FTA) and American Public Transportation Association (APTA) Criteria
- Evaluated Mitigation Options and Designed Noise Barrier Walls
- Estimated Potential Vehicle Pass-By Noise Impacts to Recreational Land Uses
- Identified Risk Impacts from Wheel Squeal and from Groundborne Vibration
- Met with Public to Present Assessment Findings and Respond to Community Concerns
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