Why did they screw up my freeway when they put in a diamond lane? I've seen this referenced in the local RoadShow columns. Highway 280 going south backs up behind Magdelena Road exit in Los Altos Hills, just past Foothill College. This is kind of amazing since 1/4 mile past Magdelena road there is an extra inserted diamond lane? Why would adding a lane back up traffic? The answer it doesn't. The backup occurs because the the last two exits both shave an entire lane off of the freeway. It's straightforward to do the math that these two exits become the bottlenecks when the freeway is near to capacity load elsewhere. Four lanes of traffic cruise along at 65 mph, bumper to bumper. Unless there was an an entire lane of exiting cars at full speed exiting the freeway (which there isn't, this is pretty much the middle of nowhere) this will obviously be a bottleneck and limit the throughput of the freeway. It's a simple queueing problem. I guess they don't tea
The Scientific Method applied to groups of People
“But what…is it good for?” – Engineer at the Advanced Computing Systems Division of IBM, 1968 (commenting on the microchip).
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