Home ... Our markets Transport infrastructure City Lightrails Our projects for the city lightrails sector The Purple Line Location: Bethesda, Maryland - USA Service provided: Development and implementation of monitoring technology during city lightrail construction Solutions: Monitoring & Testing Read more The Purple Line Northgate Link | USA Location: Seattle, Washington - USA Service provided: Monitoring the surrounding area for a major twin tunnel project Solutions: Monitoring & Testing Read more Northgate Link | USA Lynnwood Link Extension L300 – USA Location: Lynnwood, Washington - USA Service provided: Deformation monitoring during the construction of city lightrail extension Solutions: Monitoring & Testing Read more Lynnwood Link Extension L300 – USA