Traffic data collection software from TraffiCalm helps provide software solutions, such as traffic flow data, for multiple electronic display products.

Words and symbols on highway road signs are very important for communicating to drivers where they are, where they're going, and how to proceed.

Advisory speed limit signs serve as a temporary caution for weather, road conditions, events, or accidents and can also be electronic for easy portability.

Often, a detour sign is temporary until road work is completed and is marked by a portable electronic sign, while other times it is used for the long term.