Simple drawing road obstacles

Step one:

First draw a triangle and connect it with arcs.

Step 2:

Then draw two diagonal lines on both sides and connect them with diagonal lines.

The third step:

Draw two more diagonal lines and connect them with three short vertical lines to form the thickness.

Step 4:

Then draw arcs inside the triangle as the pattern of the roadblock.

Step 5:

Finally, apply beautiful colors and the roadblock is ready.