Author's department:
Project Status:
In 1950-1970s "Lengiprotrans" developed a project for a signaling and communication device at the Tapa station in Estonia. Electrical interlocking of arrows and signals was installed.
In 1950-1970s "Lengiprotrans" developed a project for a signaling and communication device at the Tapa station in Estonia. Electrical interlocking of arrows and signals was installed.