Our Portfolio STV works on some of North America’s largest and most complex infrastructure projects. Filter projects Flash BRT Program DevelopmentView detailCentral Virginia Rail Economic StudyView detailGateway Program Hudson River TunnelView detailNorth Station Draw One Bridge ReplacementView detailNew Haven Line Network Infrastructure ImprovementsView detailSaugatuck River Bridge ReplacementView detailVirginia Railway Express Crystal City Station and Amtrak Step-Up ProgramView detailCharlotte Area Transit System Fleet Electrification and Workforce DevelopmentView detailNew York City School Bus Zero-Emission TransformationView detailGrand Central MadisonView detailBridgewater State University Campus Decarbonization Study View detailNYC Health + Hospitals/South Brooklyn Health Ruth Bader Ginsburg HospitalView detailMontgomery County Zero-Emission Bus TransitionView detailBaltimore Peninsula Chapter 1B Infrastructure DesignView detailValley Metro Rio East-Dobson Extension View detailCTDOT Public Transportation Support ServicesView detail