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>During “treatment” days, the modified routing guided all trips that encountered the pre-selected congested segments toward alternative routes with similar trav
by gruez 3mo ago
>During “treatment” days, the modified routing guided all trips that encountered the pre-selected congested segments toward alternative routes with similar travel times.
Why would they specifically need to route people away from congested segments? Presumably if a segment gets congested enough, it'd be considered slower and therefore won't get picked in the first place?
- ezfe 3mo agoBecause those roads are still maybe 30 seconds or 60 seconds faster on paper and critically they're the major roads with minimal intersections, which all apps prefer.
- glalonde 3mo agoProbably many reasons but here’s one demo: https://en.wikipedia.org/wiki/Braess%27s_paradox https://en.wikipedia.org/wiki/Braess%27s_paradox Every actor acting rationally in their own interest can get to a worse equilibrium than if they were coordinated(in this case, to completely ignore the new edge). There are many other examples of this in game theory, you should look it up.
- efavdb 3mo agoAnother question: they say road speeds increased, great. But that’s a different metric than average drive time. Curious if that also decreased.