Which factor is NOT considered a Competing Space Demand in work zones?

A competing space demand in work zones refers to any factor that creates a conflict or competition for space between construction activities and moving traffic. Weather conditions, while they can impact safety and operations, are generally not categorized as competing space demands, as they do not directly cause competition for physical road space.

Narrow lanes, obstacles near live traffic, and lane closures directly influence how traffic can move through a work zone. Narrow lanes restrict the available space for vehicles to pass, increasing the risk of collisions and congestion. Obstacles near live traffic, such as equipment or materials, pose a hazard that requires motorists to carefully navigate around them, effectively competing for the same road space. Lane closures, on the other hand, often force traffic into restricted areas, thereby creating a direct conflict in space utilization as vehicles seek to merge or detour.

In summary, weather conditions, although they may affect operational efficiency and driver behavior, do not create competition for physical space in the way that the other factors do, making it the correct answer in this context.