Sound Transit Lynnwood Link Extention

Seattle, Washington

Noise, vibration, and groundborne noise discipline task manager for final design of complex new 8.5-mile light rail extension through four communities.

VTA BART Silicon Valley Extension

Santa Clara County, California

Noise and vibration for Tunnel and Line segments, EIR/EIS, prediction of airborne noise impacts from train ops, and evaluation of groundborne noise and vibration.

LA Metro Regional Connector

Los Angeles, California

Measurement and analysis of potential groundborne noise and vibration impacts for 1.6-mile tunnel alignment. Work also included station acoustics and measurements in nearby sensitive arts facilities.

WMATA Green Line Groundborne Noise Study

Washington, DC

Collected groundborne noise and vibration data during normal operations due to homeowner complaints. Measured rail roughness in the tunnel along the track.

Queensland Rail

Australia

Review of noise control procedures on narrow and standard gauge tracks. Assessment of wheel squeal, rail fastener stiffness, and wheel/rail conditions.