Friday, July 10, 2009

New York City now has 620 miles of bike lanes

NYC just completed their 200th bike lane mile in their current expansion of the network, which is now at 620 miles of lanes. The city claims the bike commuting has increased 45 percent since the project began.

If the increase is accurate, is it because of network effects, where the greater network of bike lanes means you can get many more places than before, or is it simply a linear increase? The amount of lane miles increased by 48 percent, after all. If the bike lane network is doubled what would be the expected increase in riding?
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