In Australia, barrier boards normally referred to simply as council barriers, are 2.5m long heavy-duty PVC boards with yellow and black reflective stripes on both sides and supported by 1 or 2 ‘A-frame’ stands/legs.
In Europe, barrier boards are typically red and white striped boards made from PVC plastic or wood and used in conjunction with traffic cones.
In the United States barriers are typically white aluminum or plastic ‘A-frame’ devices with orange and white reflective boards on either one side or both.