Passenger service commences on Line 4 of Tren Ligero light rail system in Guadalajara, Mexico December 25, 2025 | Latin America News, News Passenger service has commenced on Line 4 (L4) of the Tren Ligero light rail system in the Guadalajara metropolitan area. The new line entered service with free travel for passengers until December 31... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password