When the foundation is in place, work begins on the main support structure. Almost all the parts for steel coasters are factory made and are shipped to the job site in sections. In the factory, the pieces for each support are cut and welded into the required shape using fixtures to hold them in proper orientation to each other.

Smart traffic lights are internet-connected vehicle traffic control systems capable of adapting traffic light activity based on information from sensors, edge devices, and video systems. They create a more intelligent traffic management system that reduces congestion and travel times, improves safety, and reduces carbon emissions.