WEST LAFAYETTE, Ind. – An invention from Purdue University and the Indiana Department of Transportation that uses wireless communication devices could save lives at high-speed traffic signals. Principal research analyst Howell Li and transportation research engineer Jijo…

St. Ignace, Mich. — The first 20 prototype infrastructure sensors installed beginning in 2016 on the Mackinac Bridge, powered solely by vibrations from traffic, have proven their durability and performed…