Disable . Do not waste hardware resources on dry riverbeds you rarely see from cruising altitude. 2. Transportation Networks: Clean Up the Roads
before closing, or the changes won't take effect in the sim. 3. Performance Optimization Tips
Flight simulation enthusiasts constantly chase the highest level of realism. In Microsoft Flight Simulator X (FSX) and Lockheed Martin’s Prepar3D (P3D), achieving that realism requires upgrading the default, inaccurate world terrain.
Below is a structured paper addressing the topic, intended for a flight simulation enthusiast or technical audience.