TRANSPORTATION

IDOT District One US 20: E of Grace St to E of Lavoie Ave/Nesler Rd to Weld R/Longcommon Pkwy

SQN provided construction engineering and inspection services for roadway and bridge improvements along I-90, overseeing contractor compliance, on-site inspections, and project documentation. The project included pavement and bridge improvements, drainage, lighting, traffic signals, signage, and noise abatement walls.