Our Portfolio STV works on some of North America’s largest and most complex infrastructure projects. Filter projects City of Kyle Wastewater Treatment Plant ExpansionView detailHampton Roads Bridge-Tunnel ExpansionView detailPennsylvania Turnpike MP 324-326 Widening View detailParker Street Bridge ReplacementView detailHarrison Street Viaduct ReconstructionView detailAmtrak Airo TrainsetsView detailSonoma-Marin Area Rail Transit (SMART) Windsor ExtensionView detailRoma and Hett Avenue Flood ResilienceView detailLogan International Airport Roadway ImprovementsView detailEast Market Street/Harrison Street Intersection Signal Upgrades View detailDarrell Road at Neville Road/Case Road Roundabout ConversionView detailFlash BRT Program DevelopmentView detailCentral Virginia Rail Economic StudyView detailUS 74A/NC 9/US 64 Roadway Reconstruction View detailConnecting Chesapeake: A Study of High-Capacity TransitView detailP.S. 95Q AdditionView detail