Tren Urbano's fleet consists of 74 Siemens , stainless steel -bodied cars , each 75 feet (23 m) long. Each vehicle carries 72 seated and 108 standing passengers. Trains have a maximum speed of 62 miles per hour (100 km/h), and average miles per hour ( km/h) including stops. All cars operate as married pairs and up to three pairs will run together at any time. Tren Urbano currently operates 15 trains during rush hours, while the remaining cars stand at the yards or serve as backup should a train experience problems. The rolling stock was assembly at Siemens plant in Sacramento, California .