The 10.7 mile metro system that operates in San Juan is called Urban
Train (Tren Urbano).
This metro service connects the communities of San Juan, Bayamón and Guaynabo.

Skyline of San Juan, Puerto Rico
The 16 metro stations along the Urban Train line are as follows:
- Sagrado Corazón
- Hato Rey (Golden Mile)/José Miguel Agrelot Coliseum
- Roosevelt (Golden Mile)
- Domenech (Hato Rey)
- Piñero (Hato Rey)
- Universidad (Río Piedras / University of Puerto Rico)
- Río Piedras (Río Piedras)
- Cupey
- Centro Médico (University of Puerto Rico, Medical Sciences Campus)
- San Francisco
- Las Lomas
- Martínez Nadal (Rafael Martínez Nadal)
- Torrimar (Guaynabo)
- Jardines
- Deportivo (Juan Ramón Loubriel Stadium)
- Bayamón (Bayamón)
