In 1885, Lisbon built a cable railway up one of its steepest streets; the Glória line later became a national monument and carried about 3 million passengers annually
In a tragic incident, a cable car crash in Lisbon claimed the lives of sixteen individuals due to a failure in a newly installed cable. Investigators found that improper installation and absence of proper certification were major factors. This calamity highlights the delicate balance between preserving heritage transport systems and adhering to contemporary safety standards.