APTA EXPO is the public transportation industry’s long- standing, premier resource for advancing mobility systems through a robust showcase of the latest-breaking technologies, products, and services.
Find the solutions to increase and retain ridership, reinvent the rider experience, infuse technology to enhance convenience, improve security, transition to a more sustainable system, boost system-wide reliability, and beyond.
Lighting Innovation @ The Speed of Light
Since 1989 TDG has been among the industry leaders in transit lighting solutions, both LED and Fluorescent main and emergency lighting systems. Specializing in New & Retrofit Railcar Applications, as well as Locomotive lighting. TDG is also the developer of the CSU based LED Emergency Lighting Systems which complies with all independent emergency lighting power requirements.