METRORail is the 22.7-mile light rail system in Houston, Texas, United States. In 2025, the system had a ridership of 12,651,100, or about 35,100 per weekday as of the fourth quarter of 2025. METRORai
Southbound two-car Siemens S70/H1 METRORail train on Red Line, departing downtown Houston (2007)