had walk-through metal detectors installed in the metro system. On 7 January 2023, at 09:16 CST (UTC−6), two trains crashed inside the La Raza–Potrero interstation tunnel killing one person and injuring 106 others. Both trains were going northbound towards Indios Verdes metro station. Service between Indios Verdes and Guerrero metro stations was suspended temporarily. The station floods during periods of heavy rainfall. Ridership According to the data provided by the authorities since the 2000s, commuters have averaged per year between 17,200 and 37,900 daily entrances on Line 3 and between 6,000 and 12,900 daily entrances on Line 5 in the last decade. In 2019, before the impact of the COVID-19 pandemic on public transport, the station's ridership totaled 14,942,281 passengers. For Line 3, the ridership was 11,364,171 passengers—31,134 passengers per day, which was a decrease of 397,769 passengers compared to 2018. For Line 5, the station had a ridership of 3,578,110—9,803 passengers per day, which was a decrease of 46,541 compared to 2018. In 2019, the Line 3 station was the 38th busiest of the system's 195 stations, and the line's 6th busiest. The Line 5 station was the 155th busiest in the system and the line's 5th busiest. Landmarks El túnel de la ciencia The El túnel de la ciencia Museum (English for "The Tunnel of Science") is the longest permanent exposition in the world. Science and astronomy pictures and information are mounted on the walls located inside the transfer tunnel. It was opened on 30 November 1988—the first Latin American scientific exhibition installed in a public transport location. Its purpose is to provide scientific information to passengers. It is aimed at young people since many of them are students at the National Autonomous University of Mexico (UNAM) and the National Polytechnic Institute (IPN). The tunnel's area is and features images of the autumn-sky constellations, planets and satellites, the Milky Way, and, in the middle of the tunnel, there is a drawn-to-scale representation of the celestial sphere displaying the 12 zodiac constellations, drawn with luminous paint. The exhibition was installed by Universum, UNAM's science museum. It is estimated that 60,000 people visit it with the guided tour service. In 2018, the remodeled the tunnel. Other exhibitions On 25 November 2008, the Metro authorities installed the 1997 mural Monstruos de fin de milenio (), which was painted and donated to the metro system by Mexican painter . In June 2015,