To ensure proper vehicle circulation on the site, what should the parking layout retain?

The correct choice emphasizes the importance of retaining the current parking layout and vehicle circulation to ensure smooth operation on the site. Maintaining the existing layout can help preserve an efficient flow of traffic, minimizing congestion and improving accessibility for both vehicles and pedestrians.

When considering vehicle circulation, it's essential that the design facilitates easy navigation within the parking lot while accommodating different types of vehicles and their turning radii. A coherent layout helps drivers understand how to enter, park, and exit the site, ultimately enhancing safety and user experience.

While angled parking can potentially increase the number of spaces or improve access, it may not be suitable for every site and could disrupt established circulation patterns. The idea of providing more parking spaces is not inherently beneficial if it compromises circulation or safety. Lastly, reducing access points might seem advantageous for minimizing conflict points, but it can actually hinder circulation if the remaining access points become overly congested. Hence, focusing on the retention of the current layout integrates all these factors effectively.