This figure shows a computer-generated illustration of a post with a liner on either side of it. The liner on the left-hand side of the post is colored blue. At the base of the liner is a sharp protruding object, sticking out from the side of the liner at a rough forty-five degree angle.
This figure shows a close-up of the liner. At the base of the liner is a sharp protruding object, sticking out from the side of the liner at a rough forty-five degree angle.
This figure shows a close-up of t a post. The image is computer-generated three-dimensional representation. The post is colored green.
FHWA-HRT-05-096