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 rath

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.