Our Portfolio STV works on some of North America’s largest and most complex infrastructure projects. Filter projects Amtrak Ivy City Yard ExpansionView detailAmtrak Airo TrainsetsView detailSonoma-Marin Area Rail Transit (SMART) Windsor ExtensionView detailCamp Hall Rail ConnectionView detailMoreno Valley/March Field Station ImprovementsView detailFlash BRT Program DevelopmentView detailCentral Virginia Rail Economic StudyView detailWalter Rand Transportation Center Transit-Oriented DevelopmentView detailSecond Avenue Subway Phase IIView detailConnecting Chesapeake: A Study of High-Capacity TransitView detailMARTA Multipurpose Operations and Maintenance FacilityView detailConnecticut River Bridge ReplacementView detailQuincy Bus FacilityView detailBroadway Viaduct ReplacementView detailHoward Street Tunnel Clearance ProgramView detailGrand Central-42nd Street Station Pedestrian TunnelView detail