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#1 Thursday 25th December 2014 21:52:05

Fabian
Member
Registered: Saturday 25th December 2010
Posts: 17

Undertaking

Is it illegal to undertake on a dual carriageway?

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Thursday 25th December 2014 21:52:05

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Re: Undertaking



#2 Thursday 25th December 2014 22:09:24

daz6215
Verified Member
Registered: Saturday 7th June 2008
Posts: 449

Re: Undertaking

There is no statute in law for undertaking, there is however careless driving etc that could be used if the manner of driving is poor! If a vehicle is indicating to turn right on a dual carriageway then you may consider passing on the left as an example.

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#3 Thursday 25th December 2014 23:04:06

Fabian
Member
Registered: Saturday 25th December 2010
Posts: 17

Re: Undertaking

Cheers daz6215

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#4 Friday 26th December 2014 11:01:49

(ROG)
Verified Member
From: LEICESTER
Registered: Monday 23rd August 2010
Posts: 1,551

Re: Undertaking

If a vehicle is staying in an outer lane when the nearside lane is clear then it is perfectly safe and legal to pass them on the nearside

I would not recommend a newbie driver doing that until there are able to read other drivers very well because most will not be expecting to be passed on the nearside

If a driver was being passed on the nearside and suddenly moved lanes then that driver is the one at fault because it would be an unsafe lane change


IAM Observer
Leicester group of advanced motorists
LGV instructor from 2005 to 2008

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#5 Friday 26th December 2014 11:11:55

kaf
Verified Member
From: Wiltshire
Registered: Sunday 5th August 2007
Posts: 3,330
Website

Re: Undertaking

I always go through all the potential dangers with students.
Things that can be done to make the driver ahead aware of you.
Things you can do to ensure you spend as short a period as possible alongside that vehicle.
Potential escape routes such as hard shoulder.

But finish with the warning that if it goes wrong, your explanation to PC Plod that you assessed the move as safe might be difficult to justify whilst they are shovelling your car into a plastic bag!

It is a legal move but one that is inherently risky because we all know driver rarely check left mirrors before moving left.
It doesn't matter whose fault the accident is, you are just as dead!

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#6 Friday 26th December 2014 14:12:53

Fabian
Member
Registered: Saturday 25th December 2010
Posts: 17

Re: Undertaking

Thanks for your comments everyone. Much appreciated. The highway code could do with a little clarification. Rules: 151, 163 & 268

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#7 Thursday 1st January 2015 07:34:25

robcooling
Verified Member
From: Nottingham
Registered: Thursday 2nd April 2009
Posts: 1,451
Website

Re: Undertaking

I understand it as being best avoided but acceptable if it occurs as a natural element of traffic flow (i.e : you didn't change lane to gain an advantage on someone through deliberate use of passing on the left).

I can think of plenty of times I have assessed and decided to pass on left (but don't hang about in their blindspot!).


Rob

http://www.appledriving.co.uk - Driving Lessons in Nottingham

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#8 Friday 2nd January 2015 14:16:42

TDAScott
Member
From: Liverpool
Registered: Tuesday 23rd December 2014
Posts: 33
Website

Re: Undertaking

I always look at it from an insurance point of view, in the event of a collision the undertaking car would normally be at fault for being in a blind spot (despite my hatred of lane hogger)

On another forum I use it seems acceptable to flash a car out the way or indicate right to show them you want to pass, as the majority of people aren't too aware of what is behind them, but this is a petrol head forum...

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#9 Friday 2nd January 2015 14:34:40

kaf
Verified Member
From: Wiltshire
Registered: Sunday 5th August 2007
Posts: 3,330
Website

Re: Undertaking

There is a blind spot on the offside as well.
Doesn't matter which way a car moves lane, they need to check it is safe.

Flashing headlights at a car ahead is a perfectly acceptable way of alerting them to your presence, flashing them in an aggressive or intimidatory manner is another matter.

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