The AAA Foundation for Traffic Safety published a fact sheet evaluating the effectiveness of traffic cones, flares, and advance warning devices in protecting roadside workers including tow operators, finding that advance warning devices placed upstream of the work zone significantly reduced vehicle speeds and increased lane-change compliance, according to the AAA Foundation. The research recommended positioning advance warning at least 200 feet upstream.
Operator takeaway
AAA research proving that advance warning devices placed 200+ feet upstream reduce vehicle speeds — this is the data that justifies buying more cones, not fewer.