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In areas where recreational paths cross public roads, poor sight distances and other obstructions can cause safety hazards for pedestrians and motorists. To help alert motorists to the presence of path users approaching the intersection, a motion-activated, solar-powered warning system was developed by Cross Alert Systems, based in Warwick, RI. With the system, onboard motion sensors detect path activity within 100-ft. range and trigger warning lights to alert pedestrians and motorists. An amber warning beacon flashes to forewarn motorists of path users at or near the intersection, while a red light signals the path user to stop and exercise caution at the crossing. System components also include an 18-in. stop sign, 30-in. bike warning sign, 10-ft.-high aluminum pole, and solar module with battery backup. System poles communicate wirelessly with each other, using radio signals. An integrated trail counter allows data to be downloaded to a computer. Cross Alert Systems, Warwick, RI