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Wait what? The whole point of exponential growth is that all it’s derivatives/integrals are also exponential.

Actually bike lanes work best if 1. They are completely separate from the road or 2. The road feels narrow so cars naturally slow down. So go right ahead and spray paint bike lanes on the edges of narrow roads. I am sure that on 99 percent of US roads in town/city centers it will improve safety for cyclists, drivers and pedestrians.