By David Burroughs
The mayor of Rio de Janeiro, Eduardo Paes, has announced a 15-year plan to replace the city's Bus Rapid Transit (BRT) system with a 251km light rail network.
The city's current network, inaugurated for the 2016 Olympic Games in Rio de Janeiro, has three lines with 29 stops and is served by a fleet of 32 vehicles, each with a capacity for 420 passengers.
The upgrade project will begin with converting the Transcarioca BRT line, connecting Barra da Tijuca with Galeão International Airport, and the Transoeste BRT line, which runs from Barra da . . .