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Gallery | Detection Engineering Technology

 

Mast Arm Traffic Signal Installation

Pole and mast arm installations are found in urban areas where spans and Catenaries are either impractical or not as esthetically pleasing as poles and mast arms.

Span Box Traffic Signal Installation

The Engineering Operations Committee has approved the use of the box span signal layout as the department’s standard design for all trunk-line intersections being constructed or modernized. For a typical intersection, the box span design requires four support structures (one structure in each quadrant of the intersection). This design style is credited with improving motorist visibility, while in turn providing a positive contribution to the department’s senior mobility initiatives. This signal layout also improves safety during signal maintenance.