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Comment by bryanlarsen | Hacker News Reader

Not a problem in Canada. Everybody either doesn't use turn signals, or uses turn signals wrong in roundabouts whether they are driving a Tesla or not.

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For what it's worth, there are several municipalities that have different and conflicting rules about signalling in or with roundabouts than the provincial rules. So there is legitimate confusion about which rules to follow.

At least, in Ontario. The provincial police will give you a different answer from municipal police, and I've gotten a different answer still from MoT folks.

In practice, another issue I have seen is that some folks see any use of a signal near a roundabout as an indication that you are trying to "change lanes", which leads to a honk fest and more confusion immediately. So doing the "right thing" approaching or exiting a roundabout can lead to more confusion and dangerous situations than just... not signaling, unfortunately.

Love those people that indicate left going into a roundabout, by the time I see you I don't know where you started indicating left so I have no idea where you're going :D

That's what I was taught. If you're doing 270 degrees in a roundabout, you signal left when entering, cancel in the roundabout and right when exiting.

Let's say you enter at 6 o'clock, indicating left to leave the roundabout at 9 o'clock. The car seeing you at 12 o'clock doesn't know if your "left blinking" means you exit at 12 o'clock, 9 o'clock or even 3 o'clock.

Wouldn't it be better to just indicate right when leaving the roundabout, that way no one can get confused?

At 6 o'clock your left blinker is on. At 5 o'clock your blinker is off. At 11:30 your right blinker is on.

I see, what I see here is people leaving the left blinker on the whole time like I described. In your example, what's the purpose of left blinking between 6 and 5:30 then, it's the only path you could possibly take so is there a need for indicating at all?

I don't know, it was just what I was taught. It certainly is useful for 2 lane roundabouts where left turners go into the inside lane, so probably is maintained for consistency with smaller roundabouts.

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