The Tren Urbano is a rapid transit system located in San Juan, Puerto Rico. It began operations in 2004 and serves as a vital transportation option for residents and visitors. The system consists of a single line that connects key areas, including Bayamón and Santurce, facilitating easier travel across the metropolitan region. The Tren Urbano features several stations, providing access to various neighborhoods and commercial areas. It is designed to reduce traffic congestion and promote public transportation use. The system is an essential part of the urban infrastructure, helping to improve mobility in the densely populated areas of Puerto Rico.