Why a Topo Survey Matters for Infrastructure Safety

Urban bridge walkway showing elevation and structure context where a topo survey supports infrastructure safety

In Pittsburgh, people still worry about infrastructure safety. Bridges, roads, and public spaces support daily life. When a structure fails, it shakes public trust. One tool now plays a bigger role in safety discussions: the topo survey. Many people think surveys only matter before construction. In reality, topo surveys help track land changes long after […]