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Somewhat related, CitiBike trialed a setup that projected a bike symbol ahead of the bike. It wasn’t rolled out widely, but I remember thinking that it was a good system on the few occasions I happened to get one of the pilot bikes.

https://www.6sqft.com/citi-bike-to-add-laserlight-projection...

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If I had to guess, this probably drew a lot of attention to the moving symbol projected on the road and away from the actual cyclist.

...now if they could equip the bikes with cameras to issue tickets to all the people who park in our bike lanes, THAT would be cool.

The TfL hire bikes in London (Boris Bikes) have this. They don't seem great, it's just some faint green laser lines on the floor that don't resemble a bike rather than what you see in those photos. If anything they're more confusing for other road users.

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