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Wednesday, March 22nd, 2017 06:58 am (UTC)
I would be interested if any of the studies looked at minimum speed during merge as a factor. With a late merge, the vehicles in the dropping lane pretty much have to stop, which means all vehicles in both lanes drop to a pretty low minimum speed. With an early merge, and a preternatural amount of cooperation between drivers, it's conceivable that the merge could happen at higher speeds. Higher speeds in one lane mean more vehicles per hour, which is the metric that means "low congestion". Right?

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