ADL completes delivery of double-decker buses to Metrobús, Mexico November 25, 2017 | Latin America Company News UK-based Alexander Dennis Limited (ADL) has completed the delivery of 87 Enviro 500 double-decker buses for Line 7 of Metrobús, the bus rapid transit (BRT) system of Mexico City. The delivery i... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password