What is included in the dimensions of an intersection?

The dimensions of an intersection primarily encompass the area within the connection of lateral curb lines. This includes the space where vehicles and pedestrians interact at the intersection, which is crucial for traffic management and safety. By focusing on the area defined by the lateral curb lines, traffic professionals can assess factors like visibility, maneuverability, and the design of traffic control devices, all of which influence the flow of traffic and the potential for accidents.

The other options do not correctly define the intersection dimensions. For instance, measuring from the center of the intersection to the roadways solely addresses distances rather than the entire area that facilitates intersection activities. Similarly, considering the total area of all surrounding roadways expands beyond the immediate intersection, which is not relevant to the dimensions of the intersection itself. Finally, focusing only on lanes that do not intersect completely ignores the critical area where the intersection's operation occurs. Therefore, the correct understanding of intersection dimensions concentrates specifically on the area demarcated by the lateral curb lines, providing a comprehensive view of the active space utilized by vehicles and pedestrians at that convergence point.