According to the National Highway Traffic Safety Administration (NHTSA), there were 762 fatal crashes in work zones in the United States in 2019 alone, resulting in 842 fatalities. With significant new funding coming online for more infrastructure projects, there will be more construction personnel put in harm’s way. Metrolla’s off-grid, trailer-based sensor system can be placed in any location and can use predictive analytics to warn workers and drivers when safety zones are at risk.