Rio is also committed to building a new metro line and three bus rapid-transit (BRT) links.

ECONOMIST: Compare and contrast with London

The city needs a debate about whether to favour bus rapid-transit systems, or more expensive but faster and higher-capacity metro lines.

ECONOMIST: Better late than never

The city has launched a regulated bus rapid-transit system and has begun work to develop a reliable and affordable urban rail system as part of efforts to sort out its legendary snail-paced traffic.

CNN: Lagos of the future: Megacity's ambitious plans

Last year Bath and North East Somerset Council opted to scrap a rapid transit bus route through the city and shelve plans for a park-and-ride at Bathampton Meadows.

BBC: Bath council to launch new park-and-ride expansion bid