The structural integrity of the railing depends heavily on the posts that support the rail structure. These posts should be no farther apart than six feet on the flat deck and no farther apart than 5 1/2 feet on stairs. Your local building department might require closer post spacing for added rail strength.
An intersection is an at-grade junction where two or more roads meet or cross. Intersections may be classified by number of road segments, traffic controls, and/or lane design. This article primarily reflects practice in jurisdictions where vehicles are driven on the right.
A nexus is a central link or connection. If you happen to be at the nexus of something, you are right in the middle of it, like standing in the middle of an intersection. Nexus entered English during the seventeenth century from the Latin word nectere, meaning to bind or tie.. People tend to use this word to describe the point where different things or ideas come together or intersect.