Sooo looking into their numbers a little more:
Quote:
"A 53% congestion level in Bangkok, for example, means that a trip will take 53% more time than it would during Bangkok’s baseline uncongested conditions."
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If I'm understanding this correctly, that's a super weird and meaningless way to rank things. It gives zero indication of how often things are congested, which seems like the more salient point. If it takes 100% longer to get anywhere on Canada Day, but is free flowing the rest of the year, why do we really care?
The other part of this that makes it kind of meaningless is that it ignores typical travel times. 40% congestion in Los Angeles is way worse than 40% congestion in Halifax, because base travel times are so widely different. If my usual commute is 20 minutes and it goes up 40% to 28 minutes, I care a lot less than if my base commute is 100 minutes and it goes up 40% to 140 minutes.