Mexico City's Elevated Trolleybus is weird but makes sense

Why would a city build an expensive elevated guideway and then run buses on it instead of trains? Mexico City did just that, and it actually does make some sense. Let's explore why. The TransitWorld YouTube channel is dedicated to all things transportation, with a particular focus on public transit in the developing world. Patreon: www.patreon.com/TransitWorld Contact: [email protected] Some clips in this video are from the public domain, available at: https://www.pexels.com/search/videos/...