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Is it okay to drive well below the speed limit on a main road?

695 replies

ScarboroughFairy · 01/02/2026 23:38

Hi all, tomorrow I’ll be driving on a main road where the speed limit is 60mph, but I’m thinking of sticking to 40mph. I know it’s well under the limit, but I just feel safer at that speed. Does anyone else do this

OP posts:
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6
Scottishdriver · 02/02/2026 12:42

AliceandOscar · 02/02/2026 12:03

We drive in Scotland a lot and there are ways of avoiding the A9, normally by cutting across country and going up along side Loch Ness. But if you aren’t comfortable doing 50 on a A road, there is no way you would be happy driving these roads as they can be single track and need a lot of traffic awareness.

there would be zero benefit in going via Loch Ness between Inverness and Edinburgh. The only reason you would do that is for the scenery, and if you had an extra few hours. Same goes for going via Aberdeen. All routes between Edinburgh and Inverness will require 60mph roads, large roundabouts and dual carriageway/motorway, all of which OP wanted to avoid. But any route other than the A9 would add serious amounts of time - hours - to a journey which is already 3+ hours long. If 40mph is her top speed then those journeys will be even longer and more exhausting.

The bus/train or just driving at normal speeds dependant on road conditions are the only sensible options.

I see it was today you were driving OP. Hope you made it to Edinburgh safely however you got here.

Willowywisp · 02/02/2026 12:43

Paganina · 02/02/2026 12:32

It depends on the road and the conditions- you have to judge your speed by what is safe in the circumstances. A speed limit hasn't a requirement to drive up to it- it's an upper limit. But you shouldn't drive slower than is reasonable given the road and conditions. Where I live, the national limit is a pipedream on many roads, because they are narrow, hilly and twisty- 45mph feels reasonable most of the time. In other places that would drive people mad to he stuck behind. If you really want to drive slower in relation to other road users, I agree with pp that you should monitor the road behind you and pull over to allow others to pass.

I guess what's hard to understand us why you would make up your mind in advance?

There aren't places to pull over regularly to let others pass and rejoining the road again would be more dangerous for her.

tiredlazy · 02/02/2026 12:43

After a 12 hour shift driving behind a crawler driving well below the speed limit is bloody frustrating! People are more likely to take risks when it shouldn’t be necessary. Drive at the speed limit unless weather ,road conditions change the safety of the road.

Interested in this thread?

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EBearhug · 02/02/2026 12:46

Merlin102 · 02/02/2026 09:19

As a veteran of more than one speed awareness course we were told more than once that there are no minimum speed limits in the UK. Have you ever been stuck behind a tractor on a country road? What speed are they doing in a 60 mph limit?

I thought there was, the Dartford Tunnel? (I might be wrong, it's the one bit of the M25 I've never done.)

Willowywisp · 02/02/2026 12:47

TheGoddessAthena · 02/02/2026 12:35

She meant Loch Ness - A92 to Spean Bridge, then A82 through Glencoe, then down to Stirling and onto Edinburgh from there. But yes, very circuitous and slow, we got stuck in snow once in Glencoe and it wasn't fun.

Part of the issues with the A9 is that the scenery is just glorious so in summer especially you have tourists slowing to a crawl to drink it all in.Rather than just pulling into a layby.

Ah yes, so she did. My mistake for not reading it properly. Whilst the A82 through Glencoe is the most stunning road ever, the same sentiment applies - you don't want to pissing about there at this time of year when you are trying to get to Edinburgh.

Scottishdriver · 02/02/2026 12:47

TheGoddessAthena · 02/02/2026 12:35

She meant Loch Ness - A92 to Spean Bridge, then A82 through Glencoe, then down to Stirling and onto Edinburgh from there. But yes, very circuitous and slow, we got stuck in snow once in Glencoe and it wasn't fun.

Part of the issues with the A9 is that the scenery is just glorious so in summer especially you have tourists slowing to a crawl to drink it all in.Rather than just pulling into a layby.

Argh don’t get me started on people pootling over the Queensferry crossing at 40mph to take in the view. If you want longer to enjoy the view walk/wheel or take the train over the Forth.

EmotionalSupportVest · 02/02/2026 12:47

Going Inverness to Edinburgh via Aberdeen would take an extra 2hrs even with the the AWPR (which does my head in as I feel like I am going in the wrong direction, the new road is so featureless) plus you may as well drive home via Glasgow and Loch Lomond and up past Loch Lomond and Fort William in order to do a one driver full circuit route of (most of) Scotland.

Scottishdriver · 02/02/2026 12:50

Willowywisp · 02/02/2026 12:43

There aren't places to pull over regularly to let others pass and rejoining the road again would be more dangerous for her.

Yes agree rejoining the road is more risky than just driving at the appropriate speed. I hate having to rejoin the A9 when it’s busy.

YetAnotherAlias62 · 02/02/2026 12:51

XelaM · 02/02/2026 09:50

Absolute rubbish that doing 40mph on 60mph road is more dangerous than speeding. It's complete nonsense. I drive for over 20 years (including horse lorries across Europe) and it's ALWAYS more dangerous to speed. Going 60mph on narrow winding country lanes when incoming traffic can barely get past safely, is just madness and the cause of many accidents.

I didn't say MORE dangerous, I said AS dangerous.
That's why slow drivers will get stopped by the police as they cause accidents.

Willowywisp · 02/02/2026 12:51

WomenAreNotForSale · 02/02/2026 12:37

Well there is, but it will add many hours on! I've gone round via Aberdeen when the A9 has been closed due to accidents/weather before. It was no fun.

That's not a B road route though. Those are all other A roads so would still need to be driving at 60 or would cause the same trouble as on the A9. Apart from the bottlenecks at Elgin and Keith, it's not much worse than the A9 now the AWPR is open.

RampantIvy · 02/02/2026 12:53

I hope @ScarboroughFairy managed to get to her destination in a timely manner and safely - for her and other road users if she drove.

ERthree · 02/02/2026 12:55

I think it is time you surrendered your licence.

Willowywisp · 02/02/2026 13:01

EmotionalSupportVest · 02/02/2026 12:47

Going Inverness to Edinburgh via Aberdeen would take an extra 2hrs even with the the AWPR (which does my head in as I feel like I am going in the wrong direction, the new road is so featureless) plus you may as well drive home via Glasgow and Loch Lomond and up past Loch Lomond and Fort William in order to do a one driver full circuit route of (most of) Scotland.

It wasn't a suggestion, I was just saying it was possible to drive that way as people were commenting that she had said A90 originally, which we assumed was a mistake. She would have a tiny bit of A90 after the A9 I suppose.

Foundress · 02/02/2026 13:01

RampantIvy · 02/02/2026 12:53

I hope @ScarboroughFairy managed to get to her destination in a timely manner and safely - for her and other road users if she drove.

Yes me too. I actually hope she had a nice lie in and a leisurely breakfast and sacked off the whole idea of going to Edinburgh at all. A special mention and a wave from the Moray Firth to @Willowywisp for trying to explain Scotland to people who have never been to Scotland. The suggested ‘alternative’ routes made by some folk gave me a good laugh. I was tempted to suggest she just drives down to Cornwall and then back up to Edinburgh. It should only take the OP about two weeks 😂.

Wishthingswerenouting · 02/02/2026 13:02

Idiotic. Yes you can get pulled and hopefully you do. Inconsiderate driving.

Womaninhouse17 · 02/02/2026 13:02

Willowywisp · 02/02/2026 08:41

You've not read the thread, have you? The law has been cited already and yes, there is a law about driving too slowly. I'm not posting it again because it's all there in the thread already or you could just look it up yourself.

Please show me the law that says you are not allowed to drive too slowly. Yes, you should be considerate and not inconvenience other roads users. You might get stopped for driving slowly if the police think it's a sign that you're drunk or something, but I've never heard of a law about not driving too slowly and I can't find any reference to one online.

Gorlamdia · 02/02/2026 13:04

MrFluffyDogIsMyBestFriend · 02/02/2026 12:38

People get very angry on here about slow drivers OP so I wouldn't take this as a representative sample of the population.

It depends on the road and how busy it is. I'm a slow driver and I'm hardly going to give up all my independence because people on here tell me I shouldn't be driving. I just stay within my limits - something many drivers don't do. The roads near me are mostly small lanes with very little traffic so it's quite safe. If I have to drive on a road that's 50 or 60 I'll do that at a quiet time and pull in if a queue forms behind me.

I'm not angry about it, and you're right it is important that you stay within your limits. But you should be aware that slow driving would be a driving test fail and is prosecutable where it causes a danger to others. I am not sure "there wasn't much traffic so I thought it would be ok" would cut it as a defence.

It's not about how much you are irritating the people behind you or how much someone on the internet is angry about it. But you should care about something that has changed in your driving behaviour which would stop you passing a driving test now, and is potentially an offence. It's worth a Google, if you haven't already, about where the boundary is between acceptably slow driving and what the law might deem careless or dangerous, even if you consider it fine.

Willowywisp · 02/02/2026 13:05

Foundress · 02/02/2026 13:01

Yes me too. I actually hope she had a nice lie in and a leisurely breakfast and sacked off the whole idea of going to Edinburgh at all. A special mention and a wave from the Moray Firth to @Willowywisp for trying to explain Scotland to people who have never been to Scotland. The suggested ‘alternative’ routes made by some folk gave me a good laugh. I was tempted to suggest she just drives down to Cornwall and then back up to Edinburgh. It should only take the OP about two weeks 😂.

Cheers 😂.

Thatladdo · 02/02/2026 13:07

No, its dangerous and inconsiderate.
If you feel you have to drive "Well below the speed limit" you probably arent fit to drive on public roads.

WhereYouLeftIt · 02/02/2026 13:09

Womaninhouse17 · 02/02/2026 13:02

Please show me the law that says you are not allowed to drive too slowly. Yes, you should be considerate and not inconvenience other roads users. You might get stopped for driving slowly if the police think it's a sign that you're drunk or something, but I've never heard of a law about not driving too slowly and I can't find any reference to one online.

It's pretty easy to find - 'Google is your friend', as the saying goes.

https://www.police.uk/advice/advice-and-information/rs/road-safety/driving-offences/

Is it okay to drive well below the speed limit on a main road?
EleanorReally · 02/02/2026 13:09

Willowywisp · 02/02/2026 11:42

You're telling her to take alternative routes where there aren't any so of course it matters which fucking road we're talking about. Start your own thread if you want to wang on about country lanes in England.

gosh get off your high horse
so much anger, i hope you dont drive with that much aggression

Willowywisp · 02/02/2026 13:11

Womaninhouse17 · 02/02/2026 13:02

Please show me the law that says you are not allowed to drive too slowly. Yes, you should be considerate and not inconvenience other roads users. You might get stopped for driving slowly if the police think it's a sign that you're drunk or something, but I've never heard of a law about not driving too slowly and I can't find any reference to one online.

As I said, it's on the thread already and I won't be wasting any more time be reposting stuff I've already posted because you cannot be arsed to do the leg work and either find it online yourself or scan for it in the thread. I'm not your skivvy!

Womaninhouse17 · 02/02/2026 13:15

WhereYouLeftIt · 02/02/2026 13:09

It's pretty easy to find - 'Google is your friend', as the saying goes.

https://www.police.uk/advice/advice-and-information/rs/road-safety/driving-offences/

Exactly - just as I thought and you have proved my point. ,(And I did check on Google before I posted.) You just haven't understood what I said or what the law actually is. The offence is driving inconsiderately, not driving slowly. On an empty road you can drive as slowly as you like. Driving slowly is not an offence in itself, as I have said. But if your slow driving causes a nuisance to other road users, that could be an offence.

EleanorReally · 02/02/2026 13:17

Willowywisp · 02/02/2026 11:45

😂the Scottish roads expert gives her final recommendation based on mince she pulled out her own arse.

jesus arent you a bad tempered fucking poster
in the first place it was only some posts in she mentioned which actual road
this isnt scotsnet
you are being a nasty piece of work to me

Willowywisp · 02/02/2026 13:19

EleanorReally · 02/02/2026 13:09

gosh get off your high horse
so much anger, i hope you dont drive with that much aggression

You are the Mumsnet thread equivalent of someone driving at 40mph on a 60mph arterial trunk route. Just getting in the way of other people and not giving a shit about that because you're so self-absorbed.

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