Abstract: Man portable panels are utilized to provide slope protection to a watercourse, the panels being placed in vertical layers, and being secured in place by deadman elements buried in earth fill behind the panels. In one preferred embodiment the panels are made of weathering steel and are L-shaped in cross-section, and in a second preferred embodiment each panel is comprised of interlocked rectangular sections of extruded plastic.

Abstract: A safety trailer for shielding in road workers from flowing traffic includes a wheeled semi-trailer with a long draught bar attached to one side of the trailer and arranged for attachment to one side of the towing vehicle, providing a work area between the trailer and the tow vehicle secure from flowing vehicular traffic, and self-contained safety mounted emergency or warning lights are mounted on the trailer for safety.