> If it's going down the bike lane on the wrong way then I agree, that's bad and should be corrected.
15 mph is close to top speed on a bike on even ground (for me at least). If I'm causally biking to dinner, I'm not going that fast. The robot could be "coming at you" from behind.
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Beside the risks of the robots malfunctioning, I think this would be bad for bicyclists if it goes well.
Right now the bots are pretty rare but let's say this is a huge success and a really cheap way to deliver food in a city.
I can imagine there being stretches of bike lanes where the right-lane is a bunch of delivery-bots. That does not leave much room for bikes in the bike lane. "Bike lanes" become "delivery lanes".
Whether or not this is a likely outcome is another discussion but making it a rule that robots can use the bike lane could have bigger consequences than this trial run.
edit: bikes go faster than 15mph