Temple of Janus (Roman Forum) Temple of Janus (Roman Forum) In ancient Rome, the main Temple of Janus as it is often called, although it was not a normal temple, stood in the Roman Forum near the Argiletum. It had doors on both ends, and inside was a statue of Janus, the two-faced god of boundaries. The doors (the "Gates of Janus") were closed in times of peace and opened in times of war. According to Livy 1.19 the second king of Rome, Numa Pompilius, decided to distract the early, warlike Romans from their violent ways by instilling in them awe and reverence. His projects
Platform screen doors many are starting the process of retrofitting these lines with platform screen gates. In addition, many BRT systems such as the Guangzhou Bus Rapid Transit are also equipped with platform screen doors. Several underground high speed railway stations of the CRH network use platform screen doors set back from the platform edge. The Copenhagen Metro uses Westinghouse and Faiveley platform screen doors on its underground stations' platforms. The Helsinki Metro had a trial run with Faiveley automatic platform gates installed on a single platform at Vuosaari metro station during phase one of the project. The doors, which are part of