Public transport in Bogotá: Focus on BRT expansion and development of a new metro rail system October 1, 2018 | Features With a population of nearly 10 million, the Bogotá metropolitan area is the most populous region in Colombia. The city is the capital of Colombia, is located on the Bogotá savanna in the central regio... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password