Tokyo
Ultra-Efficient Urban Rail System
Tokyo, Japan
Highlight
One of the world's most efficient rail networks, with low per-passenger emissions and regenerative energy systems.
Extended description
Tokyo operates one of the world's most efficient urban rail systems, run by Tokyo Metro and other operators. Extremely dense integration with the city, very high ridership and advanced energy systems, including regenerative braking, give it low emissions per passenger. By moving huge numbers of people efficiently and cleanly, it is a benchmark for how mass transit can underpin low-carbon, highly accessible urban mobility.