Working at a construction site is loud, dirty, and often dangerous. Roadside construction workers deal with the added risk of being struck by car or truck as it passes through a work zone, its driver unaware or ignoring flags, cones, or other warnings.
(At right: Doctoral student Kristen Hines and Professor Tom Martin, both with the Bradley Department of Electrical and Computer Engineering, discuss the current version of the InZoneAlert. These sensors are about the size of a cellphone. Future incarnations could be smaller than a pack of gum, Hines says.)