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Let's ban the L-shaped left-hand right-turn signal

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Fri, 03/18/2016 - 16:33 by herb

I've never seen someone misinterpret a hand pointing in the direction a person wants to go. It's about as basic as you get. Even dogs understand. But my wife and friends started noticing people who have issues with the L-shaped right-turn signal. They know they have to use some kind of kink in their arm and raise it up but just can't seem to get it right. And they use it despite there being a perfectly good alternative.

We can blame this all on our obsession with automobiles. I'll explain.

A right turn signal is supposed to look like Option A, according to many governments:

or Option B, the "alternative" right:

(Source: MTO)

Even the Ontario government recognizes that Option A is ridiculous so they let the sorry folks who can't figure out Option A use Option B. But only to be used in emergencies. Or if you're a child in which case the government tells them to use Option B as the first choice (and Option A if they're missing a right arm?). But when you're an adult you put childish ways behind you and get behind the self-evidently superiour L-shaped signal. For some unrevealed reason.

But we've even seen some really interesting in-the-wild examples where the L-shaped signal has morphed into new forms. (I drew them for you with my expert hand, since we've yet to catch them in the act with a camera):

Signals in the wild
Just stop trying to signal, you're making it worse. On the left: L-shaped right hand. On the right: Over the head left-hand

So why do we tell people to use the left hand for signalling right?

Using the left hand to turn right came about because of cars. Drivers needed hand signals that could be clearly seen from behind, which meant that only the left hand could be used.

Automotive hand signals
Source: NYT

Yet when signal lights took over the hand signals were relegated to very rare occasions when the lights were broken. In my years of driving I've yet to see a driver having to resort to these hand signals. Yet ironically, this ill-suited custom, is foisted upon fresh, inexperienced cyclists as the "proper" way. CAN-Bike and other courses even make claims that the L-signal is even more visible in some situations. As a former CAN-Bike instructor, I confess to filling students heads with such baseless claims. I've yet to see any proof or study. Without such, it seems to me to be a justification after the fact. If cars hadn't been invented would we have independently invented the L-shaped left hand right turn signal? Who knows, but I think it's highly unlikely.

The automobile-derived signal is just so counter-intuitive for anyone on a bike, that unless people get specific training and remember it correctly they will invariably get it confused. They want to correct it; it seems wrong. But they just make it worse. Some even know that pointing in the direction they want to go works so they try to adapt a substandard signal into something that works. The funny collision of meaning happens when they attempt to stick to what they learned was "proper".

What is so important about the automotive right signal that we need to force it upon everyone biking despite the confusion? I can't think of one good reason.

Folks: just point in the direction you want to go. We'll all understand you.

Tags: 
bike safety
education

Comments

herb

Email from reader

Fri, 04/01/2016 - 10:25

I got an email from a reader and he agreed that I could post it with his name:

Hi.

I read your article on the right-hand turn signal.  There are two good reasons for maintaining the practice of doing it with the left hand.  The first is that a right hand might not be seen by a driver.  The second reason, and the more important reason, is that if one is turning, it is not beyond the realm of possibility that one is also slowing down.  To remove the right hand from the brake at that time could cause the bike to flip.

Have a great evening.

Rabbi Sean Gorman

My reply to the Rabbi:

I myself told students reason 1 as an instructor but I don't really but it. I've seen no evidence to back that up so it's probably just speculation. And even if it were true, I don't think it's a powerful enough reason to increase confusion in many with a nonintuitive signal. If we hadn't inherited the signal from car driving would we have independently invented it? I doubt it.

Reason 2: I always keep both hands on the bars while turning so this isn't a problem. In CAN-Bike we taught students to signal *before* turning and not during the turn, which makes sense to me.

To which he replied:

Both hands on the bars while turning is only part of my objection.  I do not want to remove my right hand from the handlebars while slowing down.  Once I am executing the turn, both hands are on the handlebars.  It is prior to the turn that is a concern.

May the best of the day be yours.

What? (not verified)

Fully in agreement with the Rabbi

Wed, 04/06/2016 - 16:55

You crazy. I'm braking and signalling all at once if traffic requires. Wouldn't do the former with only my front brake; wouldn't do the latter for less than the time it would take for a driver to bother to notice.

herb

No, you're crazy. If you've

Wed, 04/06/2016 - 17:28

No, you're crazy. If you've got to take action quickly, don't bloody bother with the signalling! Just brake or swerve to miss the obstacle. Signalling should be the last thing on your mind. Trying not to hit something is a lot more important than thinking about whether someone sees what you're trying to do.

By the way, that's what they teach in CAN-Bike courses too, so at least this view of mine is perfectly in line with the official curriculum.

Rabbi Sean Gorman (not verified)

Emergency Situations Are Different

Sun, 04/10/2016 - 07:52

Good morning all.

Emergency situations are different. At that point, do all that you can, and we can figure out the details of proper signals afterwards. My concern about the proper signals is in the course of normal cycling. Herb is correct that in the course of normal cycling, both hands should be on the handlebars when executing a turn. However, in the stretch prior to making the turn, to signal with the right hand while trying to slow down in normal circumstances is dangerous.

May the best of the day be yours.

Rabbi Sean Gorman

Other Rider (not verified)

Overlooked Reasons

Mon, 06/13/2016 - 11:36

1) When merging into traffic, the "right" side of the rider will not be visible.

2) A motorcycle has the throttle on the right-hand side, removing that hand while turning would not be advisable.

herb

These are not overlooked.

Mon, 06/13/2016 - 16:19

These are not overlooked. These are justifications after the fact.

1) You seem to have this backwards. I don't see how using your left arm if you're merging to the right will help you at all. In fact, your right side is more visible so just point in the direction you want to go.

2) This has nothing to do with motorcycles. Motorcycles have their own built-in signals so I don't really care what they do. If those break then go ahead and do what car drivers do. When it comes to bicycles there are no signals to break so we can just worry about what works easily every day.

And I still stand by what's the least confusing action for everyone: just point in the direction you want to go.

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