Horizontal section in source and emergency section details in AutoCAD, dwg file.

This Architectural Drawing is AutoCAD 2dd rawing of Horizontal section in source and emergency section details in AutoCAD, dwg file. Horizontal construction, often referred to as heavy civil construction, is often associated with structures that are longer than they are tall. To put it simply, horizontal construction encompasses bridges, roads, highways, railroads, airfields, and other structural projects that focus on transit.