GTT is the manufacturer of Opticom™ traffic signal priority control systems. Find out how a managed Opticom™ system can give transportation management real time access to the intersection when seconds count. Click to download the Olathe, KS case study | | APT is an ITS industry leader in Surge Protective Devices. Our products are designed and manufactured in the USA and will protect sensitive electronics in traffic systems from damaging surges caused by lightning and utility switching and load switching. |