this post was submitted on 21 Jan 2025
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TMR put this up on their Facebook asking who has to give way, but that's too easy. A much more complicated question is: what does the law say around indicating?

I've seen people say only blue must indicate, others say both must indicate, and yet others say neither must indicate. Which is correct?

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[–] [email protected] 5 points 4 hours ago (1 children)

@Zagorath

Transport Operations (Road Use Management—Road Rules) Regulation 2009 QLD

Section 149
Giving way when lines of traffic merge into a single line of traffic

A driver in a line of traffic that is merging with 1 or more lines of traffic travelling in the same direction as the driver must give way to a vehicle in another line of traffic if any part of the vehicle is ahead of the driver’s vehicle.

Maximum penalty—20 penalty units.

[–] [email protected] 2 points 4 hours ago

Yup, that part is easy enough. The part in doubt is who has to indicate in this scenario. I contend section 45(2) and (3) both apply, so both drivers must indicate (blue indicate right, orange indicate left). Others have made cases for only blue, or for neither.

[–] [email protected] 6 points 4 hours ago (1 children)

In Spain you are supposed to indicate even when changing lanes in any road, for each lane you cross. So obviously what is shown is correct.

[–] [email protected] 0 points 4 hours ago (1 children)

In Australia you also indicate when changing lanes. The catch is that in this scenario, you aren't really changing lanes in that way. See where the dashed line ends? After that point there is only one lane in the direction of travel. It makes it a little less clear.

[–] [email protected] 2 points 4 hours ago (1 children)

In spain you ARE changing laneain this scenario. Legally speaking lanes are not merging, the left lane is ending and the right lane continues. The left lane is merging into the right lane, so it's a literal lane change. Regardless of where the dashes end that's how it works.

[–] [email protected] 1 points 4 hours ago (1 children)

What about in the scenario shown in this real-world picture?

Or do you not have scenarios like that?

Here we make a distinction between one lane ending and two lanes merging. This government advisory webpage gives examples of both. In theory they could look like the above, but my experience is that in practice, when it's "two lanes merging" it tends to be shaped more equally between the lanes, like in the real-life image shown there.

[–] [email protected] 1 points 3 hours ago* (last edited 3 hours ago)

~~What about the arrow indicates anything but the left lane of the right road merging INTO the centre lane of the right road? Its a literal lane change. I feel like you couldn't have picked an easier real life example.~~

~~Edit: wait, that's an Australian image! Sorry for the confusion. That's not a lane merge but the right lane getting out of the road for an intersection that is not shown in the picture, right? The road also lets you incorporate again into the left side lane. It would have been obvious if I were to be driving there though. In fact, it looks like it's one of those turns where you stop the car so it's clearly an incorporation and you need to indicate.~~

~~Maybe you got confused by the "it's clearly the left one" thing? I meant that in the image shown, it's the left one who has to indicate because it's the car that is incorporating into the other lane.~~

Edit2: I'm fucking blind. You are right, that's a lane merge on the left side of the image and unless there are indications before they merge I would assume that the main lane (right side for almost all the world besides UK and Australia I guess, sorry again for the confusion) is the one that stays and the auxiliary lane is the one that's to merge, so I would assume that the right lane indicates in your image. I agree that without prior indications it might get confusing.

Third fucking edit because I didn't bother reading you link until now. Those are indications on who has to give way, not on who has to indicate (turn on the lights, which is what this post is about). Both of the examples have the lane that ends indicating the lane change with lights regardless of them having the right to go or giving way to the other car.

I have an example that is ~~way more confusing~~ right next to where I live, but we are taught on this literal curve when getting the license so there's no doubting about it. For context, there are tons of arrows asking the left lane to change into the right for about 1KM before you reach this point so it's confusing only if you ignore all indicators and only see the image I posted, ~~but still, more confusing than your example for sure.~~

[–] [email protected] 4 points 4 hours ago* (last edited 4 hours ago) (1 children)

Why would orange indicate? Blue is merging into orange's lane. Orange is going straight. Blue indicates.

[–] [email protected] 4 points 4 hours ago (1 children)

I think there are two types of merges, this one is 2 into 1, not left lane ending

[–] [email protected] 1 points 4 hours ago (1 children)
[–] [email protected] 1 points 2 hours ago* (last edited 2 hours ago)

There's a video on this page that shows only the blue car signaling.

[–] [email protected] 6 points 6 hours ago* (last edited 6 hours ago) (2 children)

I have 3 of these near me and I can tell you nobody indicates. Who has right of way? The dickhead who is speeding to get ahead first.

Edit: whoops this is Brisbane question. My apologies.

[–] [email protected] 3 points 5 hours ago

Who has right of way? The dickhead who is speeding to get ahead first.

whoops this is Brisbane question. My apologies.

Still a pretty relevant response given some driver in Brissy unfortunately. Most of them are pretty solid here though to be honest. It’s refreshing. Some days during the commute most drivers are straight up reasonable. Coming from NSW, shits weird.

[–] [email protected] 1 points 6 hours ago (1 children)

Who has right of way?

Whoever is in front has right of way at these. It's unlike a situation where one lane ends (indicated by a dotted line that runs out), in which case the person in the continuing lane has right of way.

whoops this is a Brisbane question

You could take a look at your state's laws to verify, but I strongly suspect the answer will be the same wherever in Australia you go. Our road rules are relatively standardised, even though it's all state legislation.

[–] [email protected] 1 points 5 hours ago

Of course whoever is in front has the right of way but sometimes you have smartarses coming up beside you to overtake. All I'm saying is let them go ahead. It's not worth your life to prove a point.

[–] [email protected] 4 points 6 hours ago* (last edited 6 hours ago)

Isn’t this a zipper merge? Blue indicates, orange must yield.

It is

[–] [email protected] 4 points 7 hours ago (2 children)

That seems like a pretty stupid road design. Where I live one lane always has the dashed line go to the edge of the road to indicate which lane is ending and which lane is continuous, where the vehicle in the lane that's ending is the one to require indicators. There's never two lanes that just combine into one with no way to tell who has the right of way.

[–] [email protected] 1 points 3 hours ago

Yeah you don't usually see it like in this image. It tends to be that where two lanes merge, it's more like a road narrowing equally between both lanes, rather than one lane appearing to end while the other appears to continue. The Gailey Rd screenshots I've posted elsewhere in this thread are an example.

[–] [email protected] 1 points 6 hours ago

There is a way to know, it’s called a zipper merge as defined in a link I posted elsewhere in this post. They are done to reduce congestion and I suspect at times, post hoc on roads where there isn’t enough space for a proper lane end/merge.

[–] [email protected] 5 points 8 hours ago (2 children)

I'm not from the land of Oz but everything I can see online from official state sources does not specifically say, but all their demo videos have the person in the left lane indicate and the one in the right lane doesn't. E.g. the one around merging on this page or the images and video on this page.

I couldn't find anything with it written down, but it seems to be implied that in a merging scenario it's the left lane ending and they need to indicate into the right lane which continues as the only lane.

This is in contrast to NZ where everything I can find says both vehicles indicate.

[–] [email protected] 5 points 6 hours ago* (last edited 6 hours ago) (1 children)

How would the bike indicate in this scenario? With a left indication while not changing direction or lane? I would interpret that as them wanting to leave the road on the left side after the merge and indicating it impatiently.

[–] [email protected] 1 points 5 hours ago

In the example videos, the vehicle in the bike's position did not indicate. It's not explicitly covered but it seems like the expectation is that only the vehicle in the left lane indicates (i.e. only the car, not the motorbike).

That's for Australia. In NZ it seems the expectation is that both vehicles indicate (this is how I do it, but I'm in NZ so that makes sense).

Neither country seems to explicitly say it's required in official information.

[–] [email protected] 3 points 7 hours ago (1 children)

I never understood why the indication, left lane is still the left lane and conversely so is the right lane still the right lane. Back last millenia when I got my license, the instructor said I don't need to indicate so I just continued their teachings. When there are 3 or more dropping down, then I understand as there's usually a bus lane or turn that is near also.

[–] [email protected] 4 points 6 hours ago* (last edited 6 hours ago) (2 children)

The instructor said I don't need to indicate

This explains so much. These days the manual says you must indicate pretty much for every turn (and lane change) short the road curving. Which I agree with, the amount of people changing lanes or turning without indicating and nearly causing an accident shits me. Same with people who indicate last second for 1/50th of a second. As the old man says “they’re called indicators not commentators” they meant to give an indication of what you’re about to do.

Tangentially before moving to Brisbane I lived in a small rural “city” full of roundabouts. You could speculate the age of a driver pretty accurately by whether they indicated coming off a roundabout or not.

[–] [email protected] 2 points 2 hours ago (1 children)

I meant at lane merges but I agree your point that as we get older we don't tend to indicate as often as we should. The rule I was taught about indicating was 3 'clicks' of the indicator before moving across lanes. Most people turn the indicator on as they are changing lanes and it can be dangerous as fick on the old M80 in Melbourne.

[–] [email protected] 1 points 2 hours ago (1 children)

Ohhh my bad.

Most people turn the indicator on as they are changing lanes and it can be dangerous as fick on the old M80 in Melbourne.

This people wouldn’t happen to drive BMWs would they? Nah memes aside it’s not just the Beamer drivers sadly.

[–] [email protected] 1 points 1 hour ago

My top shit driver models are:

  1. BMW 5 Series
  2. Toyota Camry
  3. Nissan Maxima
  4. Hilux Rogue

I have left the ranger off since I drive one of them for work 🙃

[–] [email protected] 2 points 5 hours ago (1 children)

a small rural “city” full of roundabouts

Ah, a Canberran.

[–] [email protected] 2 points 5 hours ago (1 children)

Hahaha even I’ve heard this about Canberra. Nah northern NSW, I promise you haven’t heard of it.

[–] [email protected] 2 points 3 hours ago (1 children)

Damn, small enough that you're confident I won't have heard of it, but large enough that it's officially a city? That leaves me very intrigued. Does it show up at the 7z zoom level on Google Maps? (Which on my 1080p desktop monitor is the most I can be zoomed in while seeing all of NSW' width.)

[–] [email protected] 2 points 2 hours ago* (last edited 2 hours ago) (1 children)

It’s kinda of the meme amongst locals. Armidale. Apparently it’s a city because it has a cathedral, so it totally counts guys! Lmao. Though I heard this as a teen, a quick google apparently says this was a thing in the uk way back in the day. No idea why it counts as a city.

[–] [email protected] 1 points 1 hour ago

Oh, I've been to Armidale! Just for one night many years ago as a stop off on a leisurely scenic drive back from Newcastle to Brisbane. Apparently the pollution is terrible in winter because it's just a bowl.

My other Armidale fun fact is that, according to an Australian corvid expert on Reddit many years ago, the general rule of thumb is that Armidale is the dividing line between Australian crows and ravens. South of Armidale most large black birds you see will be ravens. North of it they're crows.

But if we're doing cities that have no business being cities: Charters Towers, an hour or so inland of Townsville in FNQ. Apparently it got big enough back during the gold rush to be determined a city.

[–] [email protected] 4 points 7 hours ago (2 children)

The arguments as I understand them:

Blue is deviating from their line, orange is continuing straight, therefore only blue indicates.

Blue is merging to the right, orange is merging to the left, therefore both must indicate towards the side they are merging to.

Neither blue nor orange are changing lanes, they are simply entering the lane that their lane becomes. Therefore neither indicates.

[–] [email protected] 3 points 6 hours ago* (last edited 6 hours ago) (1 children)

Blue is “changing lane”, if they continued straight they’d go off the road. At least in the NSW drivers manual this is specified as a zipper merge. I treat them the same in Brisbane.

Blues lane is ending, of the two only one has to alter their steering wheel (or in the bikes case, leading wheel) to stay on the road. The orange vehicle is simply driving straight. The centreline of the road is indicative of this.

When you’re driving on a road and the number of lanes or lines of traffic reduces, and there are no longer any road markings, you must give way to the vehicle that’s ahead of you. This is called a zipper merge.

Sauce

[–] [email protected] 2 points 5 hours ago (1 children)

Sauce

That's a user-friendly advisory article. I'm asking what's specifically in the legislation. It also doesn't actually say anything about indicating, only implies it in the graphics. No text or speech ever discusses indication.

Blues lane is ending

No, two lanes are merging. That's why this is different to a situation where one lane ends, in which case the continuing lane always has right of way.

[–] [email protected] 1 points 5 hours ago* (last edited 4 hours ago)

It is also supplemental to the drivers manual, which the test to get your license is based on. Get enough of these wrong and you fail, no license.

No, two lanes are merging

Sorry, but that’s incorrect, the lanes are being reduced (edit: which to be fair, and likely the source of confusion, is all but synonymous with two lanes “merging”). Merging describe what traffic must do as a result of this reduction. The reduction is simply not marked, to indicate a zipper merge. Otherwise you’d be crossing a broken line and have to give way to traffic already in the lane you’re merging into. Being it is unmarked it means a zipper merge, which means traffic in the lane you’re merging with has to give way to you.

When the lane you’re driving in is ending and you need to cross a broken line to move into another lane, you must give way to vehicles already in that lane – for example, when you’re joining a motorway

You must indicate to let others know when you plan to move into another lane. Make sure your indicator is off after you’ve merged or changed lanes.

Definitely not an edit and was here the whole time 2: Blue goes from being beside the broken line to (after merging) being beside the double dividing line. Whereas before and after the merge orange remains beside the double dividing line. If I had 6 hours spare I could go on paint and continue the broken line, turning the unmarked ending of the lane into a marked one demonstrating this.

[–] [email protected] 2 points 7 hours ago (1 children)

Here's what I think is the relevant legislation.

My interpretation is that both are "entering a line of traffic" to the right or left, so both should indicate. But I'm far from confident.

[–] [email protected] 3 points 6 hours ago (1 children)

Which clause there would compel the bike to indicate?

2 d) / 3 d) are "entering a marked lane, or line of traffic, to the left/right" but this line is directly ahead of the bike.

[–] [email protected] 1 points 4 hours ago* (last edited 4 hours ago)

but this line is directly ahead of the bike

So in your interpretation, when two lanes merge, whether or not indicating is required would depend on the precise configuration of the lanes? For example, in my experience a road shaped like the above would be more likely to have the left lane end; the "two lanes merge into one" scenario more often places the line down the middle, like this:

In that scenario, would only the left, neither, or both be required to indicate, in your opinion?

edit:

one other thing worth considering...the motorbike in the image actually won't be legally allowed to keep its line straight. When there is only one lane in each direction, road users are required to "drive as near as practicable to the far left side of the road". By driving directly down the centre of the lane, a motorbike is probably not doing this. So it will need to move left, under the law.

[–] [email protected] 2 points 7 hours ago (1 children)

Here's a relevant TMR section on the website to do with merging in these situations. Noticeably (and it's more apparent in the video), they only ever show the car in the left lane indicating.
https://www.qld.gov.au/transport/safety/rules/road/lanes

[–] [email protected] 2 points 7 hours ago

What they show in pictures is not what's written in the law. It wouldn't be the first time TMR's interpretation in supplemental material misunderstood the law.

[–] krelvar 2 points 7 hours ago

Seems fairly straightforward. The car is ahead of the motorcycle, so the bike should give way. Of course, he won't, and he's in the car's blind spot, so he'll get angry and break the car's passenger side mirror in passing. The car driver having no clue, will get angry in turn, and swerve into the biker, and they'll both crash. The car behind them will catch the whole thing on dashcam and post it on Facebook, asking, "who's at fault here?"

People will blame the guy on the bicycle.