Train Rounded icon

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path fill="currentColor" d="M7.425 20.975q-.5-.125-.637-.625T7 19.5l.5-.5q-1.475 0-2.487-1.012T4 15.5V6q0-1.325.688-2.113t1.812-1.2q1.125-.412 2.563-.55T12 2q1.65 0 3.113.138t2.55.55q1.087.412 1.712 1.2T20 6v9.5q0 1.475-1.012 2.488T16.5 19l.5.5q.35.35.213.85t-.638.625q-.225.05-.438 0t-.387-.225L14 19h-4l-1.75 1.75q-.175.175-.388.225t-.437 0ZM6 10h5V7H6v3Zm7 0h5V7h-5v3Zm-4.5 6q.65 0 1.075-.425T10 14.5q0-.65-.425-1.075T8.5 13q-.65 0-1.075.425T7 14.5q0 .65.425 1.075T8.5 16Zm7 0q.65 0 1.075-.425T17 14.5q0-.65-.425-1.075T15.5 13q-.65 0-1.075.425T14 14.5q0 .65.425 1.075T15.5 16Z"/></svg>