In 2005, San Juan  launched Tren Urbano, its first long-awaited commuter train service. The system runs mostly aboveground and has 15 stations, many of which house a terrific collection of specially commissioned public art. The train connects the communities of Bayamón, the University of Puerto Rico in Río Piedras, Hato Rey, and Santurce at Sagrado Corazón University. The train runs daily 5:30 a.m.–11:30 p.m. Fares are $1.50. For information call 866/900-1284 or visit www.ati.gobierno.pr .