These are just a few of the projects C.O.A.T. has had the opportunity to be involved in over the last few years...



  • Portland-Milwaukie Light Rail
  • Portland Streetcar Loop on MLK and Grand
  • Portland Milwaukie Transit Bridge (Tilikum Crossing)
  • Portland Timbers Soccer Games
  • NE 88th Hwy 99 - St Johns
  • PDX South Airfield Taxiway Improvements
  • PDX Taxiway C West Rehabilitation
  • PDX Runway Expansion
  • City of Portland Projects
  • Portland Water Bureau
  • Portland Bureau of Transportation
  • Astoria-Megler Bridge Painting
  • Fanno Basin
  • TriMet Station and Rail Renovations
  • Hillsboro Airport Taxiway Extensions


  • Sound Transit Light Rail in Seattle
  • First Hill Streetcar in Seattle
  • Sea-Tac 200th Link Extension
  • King County County-wide HMA Overlays
  • City of Bellevue 120th Ave Widening
  • Point Defiance Bypass Track and Signal Improvements
  • Redondo Beach Boardwalk Repairs
  • King County Rail Operations Track Maintenance and Repairs

Utah (coming soon)

Coming soon...