Section 247.13 - Transportation products(a) Traffic barricades and traffic cones used in controlling or restricting vehicular traffic.(b) Parking stops made from concrete or containing recovered plastic or rubber.(c) Channelizers containing recovered plastic or rubber.(d) Delineators containing recovered plastic, rubber, or steel.(e) Flexible delineators containing recovered plastic.60 FR 21381, May 1, 1995, as amended at 62 FR 60974, Nov. 13, 1997