Our Portfolio STV works on some of North America’s largest and most complex infrastructure projects. Filter projects P.S. 253K AdditionView detailNew Haven Line Network Infrastructure ImprovementsView detailUS 290 Toll/SH 130 Direct Connectors View detailPennsylvania Turnpike MP320-324 Fiber Optic Communications UpgradesView detailVista Ridge Regional Supply Project View detailHenry Hudson Bridge MEP Rehabilitation and Open Road TollingView detailFort Stewart Brigade and Battalion HeadquartersView detailGreen Line Light Rail ExtensionView detailRiverside Downtown Security Operations Control CenterView detailGarden State Parkway Widening Milepost 63 to Milepost 80View detailCanyon High School ModernizationView detailSaugus High School ModernizationView detail