Overview
Triplesign System delivers reliable tunnel closed signs as part of its advanced range of prismatic variable message signs for safer, more efficient traffic management. Designed for demanding road environments, these signs provide clear, immediate warnings that help operators close tunnels quickly and guide drivers with confidence. Built on the proven XPT system and manufactured in Småland, Sweden, Triplesign solutions combine low power consumption, solar capability, durable construction, and EN 12966 compliance. With installations across Europe, Triplesign System is a trusted partner for tunnel closed signs and other dynamic traffic safety solutions.