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Which line to take when overtaking

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Fifteen15
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PostPosted: 18:59 - 15 Nov 2011    Post subject: Which line to take when overtaking Reply with quote

Today when I was riding, there was a car going about 45mph on an NSL with about six cars backed up behind it with me at the back of the line. I started overtaking each one, but as I was overtaking the third car, he didn't do a shoulder check and pulled out right in front of me for an overtake. If I was going a few mph faster he would have pushed me off the road. It made me think about taking the baffles out of my can! More importantly it made me think about road positioning when overtaking. Which line do you usually take to overtake? Line 1, 2 or 3?

https://img32.imageshack.us/img32/2177/desktopeg.png

Obviously if you're just overtaking one car on its own, I would have thought line 1 would be fine because it's very unlikely it will pull out into the other lane. If you're in a line of three, the first (slow) car, the second, and then you, would you then take line 3? Because there's a good chance the second car will pull out for an overtake.

Thoughts?
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P.addy
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PostPosted: 19:02 - 15 Nov 2011    Post subject: Reply with quote

Middle of the road, loads of revving and popping Cool If some nugget starts to move, bib the horn and either hang back or shoot off.
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yen_powell
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PostPosted: 20:04 - 15 Nov 2011    Post subject: Reply with quote

He doesn't need to see you. A double tap on your hooter before you start to pass may alert him to your presence (assuming he hasn't got Metallica going at full blast). Your hooter isn't just for showing displeasure, it's a vital safety aid.
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G
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PostPosted: 20:17 - 15 Nov 2011    Post subject: Reply with quote

IAM teaches a 'sharks fin' approach.

That is that you move straight out in to the opposing lane without increasing speed, then increase speed and move back in with a parabola when you have ensured it's safe with the extra visibility afforded by being in the oncoming lane.

I prefer to accelerate first; but given the room being there will generally use it.
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felicity
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PostPosted: 21:38 - 15 Nov 2011    Post subject: Reply with quote

https://www.tcx.org.uk/~river/files/overtaking.png

This is basically what G said, it's how my instructor taught me to do it and it's also what the Roadcraft book recommends. It means you have good visibility and a chance to abort the overtake before committing, which you can't do if you start moving past the vehicle immediately.

ETA: And you should never take what you've shown as line 1. That's okay for filtering, but you're way too close to the vehicle for overtaking at speed. If he decides to swerve for some reason (hazard in the road) or there's a sudden gust of wind, you'll go straight into him. If you feel that you need to be that close because of oncoming traffic, you shouldn't be overtaking in the first place.


Last edited by felicity on 21:44 - 15 Nov 2011; edited 1 time in total
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Rogerborg
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PostPosted: 21:42 - 15 Nov 2011    Post subject: Reply with quote

That. 2 or 3. If you're going to use the other side of the road, use the whole other side.
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chris-red
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PostPosted: 22:25 - 15 Nov 2011    Post subject: Reply with quote

Like below, overtake the lot on one wheel with your finger up. Thumbs Up


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JoeDougieDoug...
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PostPosted: 01:12 - 16 Nov 2011    Post subject: Reply with quote

I would usually overtake using Line #2. #1 you would be sitting in the cars blindspot for too long (wouldn't you?), and #3 I think is too far out into the other lane to be able to duck in again quickly if you need to... then again, I have overtaken before using the central bit between two seperate lanes... no idea if this was right...
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G
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PostPosted: 09:15 - 16 Nov 2011    Post subject: Reply with quote

JoeDougieDouglas wrote:
I would usually overtake using Line #2. #1 you would be sitting in the cars blindspot for too long (wouldn't you?), and #3 I think is too far out into the other lane to be able to duck in again quickly if you need to... then again, I have overtaken before using the central bit between two seperate lanes... no idea if this was right...

Actually, may well be in the blindspot for longer with 2 as you're a bit further out.

It all depends on the entire situation - ie many times have gone past pretty tight to the car (certainly inside the lane) due to an oncoming lorry or whatever.
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sickpup
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PostPosted: 10:16 - 16 Nov 2011    Post subject: Reply with quote

Felicity wrote:
This is basically what G said, it's how my instructor taught me to do it and it's also what the Roadcraft book recommends. It means you have good visibility and a chance to abort the overtake before committing, which you can't do if you start moving past the vehicle immediately.


A classic example of IAM and Police training fucktardery. You will choose your line in advance and come hell or high water you will stick to that line regardless of whether you die.

A more flexible approach in my view tends to save more lives.
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felicity
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PostPosted: 12:44 - 16 Nov 2011    Post subject: Reply with quote

sickpup wrote:
You will choose your line in advance and come hell or high water you will stick to that line regardless of whether you die.


No, you will choose a line in advance, based on your training and experience, and modified as appropriate by the situation. You will continually observe for changes in the situation while overtaking and modify your position or speed as necessary to avoid any new hazards that appear.

In other words you'll do it exactly the same way as anyone else, except the ideal line is a different shape.
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stinkwheel
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PostPosted: 13:32 - 16 Nov 2011    Post subject: Reply with quote

Pull out sooner, position yourself where you can see what is happening and in a low, responsive gear.

Decide if it's a go or no-go. If it is a go, accelerate smartly up to the point where you decide if you take one or both cars then either smpothly pull in or continue to accelerate up to the next car.

You can keep doing this for a huge line of cars providing you can see and know you can make it to the next safe place to pull in.

I particularly like doing it on sweeping left handers, if you get out and positioned near the right hand kerb before the corner starts, you can often pass the whole lot in one smooth overtake using the wider field of view you just afforded yourself. It is also extremely unlikely someone is going to pull out on you when you do this.

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sickpup
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PostPosted: 23:02 - 16 Nov 2011    Post subject: Reply with quote

Felicity wrote:
No, you will choose a line in advance, based on your training and experience, and modified as appropriate by the situation. You will continually observe for changes in the situation while overtaking and modify your position or speed as necessary to avoid any new hazards that appear.

In other words you'll do it exactly the same way as anyone else, except the ideal line is a different shape.


Except of course you don't because your training says you are in the correct place but that pesky car that's about to hit you isn't so it should move.

When you drill into someone's head that if they use your scheme they will always be right they start to believe they are always right, right up to the point where being right is academic.
None of these training groups can teach you to think at high speed and improvise which is why some people never pass the tests and as I posted a few weeks ago is why some IAM members drive like complete cocks as do a fair few Police Officers.
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G
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PostPosted: 23:18 - 16 Nov 2011    Post subject: Reply with quote

The IAM group I went to many times made it clear that they gave you the skills to analyse a situation better and decide for yourself.

Personally I was pretty sceptical - for instance I enjoy going around empty roundabouts and prefer to indicate when no one's there, but would be 'marked down' if I did them while being observed - but they did try to drill in that you were merely being given more skills to use, not a set system.
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sickpup
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PostPosted: 08:00 - 17 Nov 2011    Post subject: Reply with quote

G wrote:
The IAM group I went to many times made it clear that they gave you the skills to analyse a situation better and decide for yourself.

Personally I was pretty sceptical - for instance I enjoy going around empty roundabouts and prefer to indicate when no one's there, but would be 'marked down' if I did them while being observed - but they did try to drill in that you were merely being given more skills to use, not a set system.


Precisely.

When the Police talk about their 'system' of driving you realise that to many of them there is a right way and a wrong way of driving and that their way is always right.
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hmmmnz
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PostPosted: 08:05 - 17 Nov 2011    Post subject: Reply with quote

personally i dont cross the center line by much,
then if a car comes, i was just filtering Very Happy
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GeneralXcepti...
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PostPosted: 09:40 - 17 Nov 2011    Post subject: Reply with quote

G wrote:

Personally I was pretty sceptical - for instance I enjoy going around empty roundabouts and prefer to indicate when no one's there, but would be 'marked down' if I did them while being observed - but they did try to drill in that you were merely being given more skills to use, not a set system.

You see, I dislike the IAM for this reason. It's like they have come up with a rule which identifies those who have passed the advanced test as opposed to a rule which actually benefits the riders out there.

I always use my indicators, even if I think there's nobody else around. Reasons for doing so? I may have missed another road user / pedestrian who may find my indication of pending direction change useful. Another good reason is that human sight is attracted to movement, a blinking indicator is a good example of 'movement' it's more likely to get you spotted.

Sadly, those who get taken out by not using their indicators are highly unlikely to tell everyone that the IAM rule is total bollocks .... or they are dead.
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G
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PostPosted: 09:47 - 17 Nov 2011    Post subject: Reply with quote

GeneralXception wrote:
I may have missed another road user / pedestrian who may find my indication of pending direction change useful.

I'd agree with you; but their point is that you should have practised good enough observations to be sure that there was no one that could have benefited and only not use the indicators then.
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GeneralXcepti...
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PostPosted: 10:12 - 17 Nov 2011    Post subject: Reply with quote

Or avoid all doubt - do the obs and put the indicators on. They aren't mutually exclusive things.
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The999Kid
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PostPosted: 11:11 - 17 Nov 2011    Post subject: Reply with quote

stinkwheel wrote:


I particularly like doing it on sweeping left handers, if you get out and positioned near the right hand kerb before the corner starts, you can often pass the whole lot in one smooth overtake using the wider field of view you just afforded yourself. It is also extremely unlikely someone is going to pull out on you when you do this.

https://www.bikechatforums.com/download.php?id=81321


I do the same with Right handers just not sweeping ones, positioning back and to the nearside line gives an early view through the corner which can make overtakes easy with good acceleration and a clear road

see pic for idea
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felicity
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PostPosted: 14:45 - 17 Nov 2011    Post subject: Reply with quote

sickpup wrote:
Except of course you don't because your training says you are in the correct place but that pesky car that's about to hit you isn't so it should move.


So what is the alternative? Should no one be taught how to overtake, and just figure it out on their own? Should CBT instructors not teach people to move to the left before a left turn, in case they blindly crash into a parked vehicle?

The training* never tells you that you're in the "right place", it suggests a way to get the best observations (by moving to the offside lane before starting the overtake), so you can use that information to plan what you do next. No doubt there are people who treat that as an inflexible prescription, but that's not how it's meant to be used, and it doesn't mean the advice itself is bad.

* I'm only talking about the Roadcraft book here, never having done any IAM training.
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Fruit'n'nut
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PostPosted: 17:22 - 17 Nov 2011    Post subject: Reply with quote

sickpup wrote:

Except of course you don't because your training says you are in the correct place but that pesky car that's about to hit you isn't so it should move.

When you drill into someone's head that if they use your scheme they will always be right they start to believe they are always right, right up to the point where being right is academic.




That ^ reflects a misunderstanding of "the system" on the part of the person using it, rather than a fault with "the system" itself.



sickpup wrote:

None of these training groups can teach you to think at high speed and improvise



If you can understand and demonstrate the system properly, then there should be no need to improvise, as it's all based on use of changing information and safety first.
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sickpup
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PostPosted: 20:13 - 18 Nov 2011    Post subject: Reply with quote

Fruit'n'nut wrote:
That ^ reflects a misunderstanding of "the system" on the part of the person using it, rather than a fault with "the system" itself.


No it is definitely a fault of the system as I have personally seen it in both Thames Valley and Met Police officers as well as having seen it displayed in various programs where the Police tell us how good they are at driving because they follow their system.

Lets not forget things like the fatality on the A3 nearly 2 decades ago where 3 officers crashed and one was killed on a training run as they went around a sweeping corner that no one else had ever crashed on because they blindly followed the rider in front.

I especially like following pursuit cars from Newport South Wales through the Villages to the Blackwood HQ as you are pretty much guaranteed to witness an episode of fucktardery that is only ever equalled by pissheads trying to climb scaffolding

Fruit'n'nut wrote:
If you can understand and demonstrate the system properly, then there should be no need to improvise, as it's all based on use of changing information and safety first.


Very very dangerously wrong, in fact so wrong that the Government was sued over this and they then stopped forcing car driving instructors to get bike licenses. The assumption that if you teach someone something they will be able to and will implement it flawlessly all the time is extremely dangerous and naive.

There is always a need to improvise, you cannot teach people how to handle every situation and every slight change of situation and at this point they have to learn to think for themselves and improvise or they suffer the consequences of being taught that they have the system therefore they will be ok.

As an aside an example of all of this is filtering. I can explain to you how to do it at speed. I can explain to you where to look and how to read traffic and it's movements using only your peripheral vision. I can explain to you how I know how close I am to the car next to me to within about a CM but you will probably never be able to filter half as fast as I can when I'm not even trying because you don't have the inate ability I do oh and the 25 years experience of playing in London traffic for fun and for money.
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