Step-by-Step Guide:<br /><br />1. Select Corridor: Choose the corridor to extract feature lines from.<br />2. Extract Feature Line Tool: Access the "Extract Feature Line" tool.<br />3. Choose Feature Line Type: Select the type of feature line to extract (e.g., centerline, edge).<br />4. Set Feature Line Properties: Define feature line properties (e.g., name, style).<br />5. Create Feature Line: Extract the feature line from the corridor.<br /><br />Benefits:<br /><br />1. Streamlined workflow: Quickly create feature lines from corridors.<br />2. Accurate design: Ensure precise feature line creation.<br />3. Enhanced visualization: Visualize feature lines in 3D.<br /><br />Applications:<br /><br />1. Road design: Create feature lines for road centerlines, edges, or other features.<br />2. Highway design: Extract feature lines for highway design and analysis.<br />3. Infrastructure design: Create feature lines for various infrastructure projects.<br /><br />Tips and Variations:<br /><br />1. Use corridor baselines: Ensure accurate feature line extraction.<br />2. Define feature line styles: Apply consistent formatting and appearance.<br />3. Integrate with other Civil 3D tools: Use feature lines with other Civil 3D tools, such as surfaces and grading.<br />