From the tech companies of the LZB to the train operators: which companies are involved in the Urda accident

The recent train accident in Urda, which resulted in at least 69 fatalities, is linked to several companies involved in railway technology and operations. Initial investigations suggest human error by Adif operators following a signaling system failure. Key players include Thales, responsible for maintaining the LZB system, and Hitachi Rail, which acquired Thales's railway operations. The LZB system, used on the Madrid-Sevilla line, experienced a failure due to a computer issue. The line is transitioning to the ERTMS system, aimed at improving interoperability. Other involved companies include Siemens, which manufactured the train model involved, and Iryo, a competitor in the high-speed market. Investigations are ongoing to determine the exact causes of the incident and the responsibilities of each entity.