Meet the Other Phone. Only the apps you allow.

Meet the Other Phone.
Only the apps you allow.

Buy now

Please or to access all these features

Chat

Join the discussion and chat with other Mumsnetters about everyday life, relationships and parenting.

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:
Thread gallery
6
EleanorReally · 02/02/2026 05:11

i would take another route where 40 mph is ok

Willowywisp · 02/02/2026 05:14

EleanorReally · 02/02/2026 05:11

i would take another route where 40 mph is ok

There isn't another route where 40mph is okay. Every route involves A roads at some point. Other routes also involve mountain passes and very winding country roads which are far more dangerous and still 60mph but with far fewer opportunities for other vehicles to overtake. Also, they would at least double an already long drive time.

MissingSockDetective · 02/02/2026 05:14

Willowywisp · 02/02/2026 05:11

That's clearly not true, as the law states. If you remove the slow driver from the equation, does the accident still happen? No, it doesn't. So, what caused the accident?

Still the one who overtakes carelessly, risking lives.

Interested in this thread?

Then you might like threads about this subject:

Willowywisp · 02/02/2026 05:15

If there is 1 vehicle holding up miles of traffic on the A9, the police will be alerted and will pull the driver over and fine them and issue penalty points. Seen it many times.

Willowywisp · 02/02/2026 05:15

MissingSockDetective · 02/02/2026 05:14

Still the one who overtakes carelessly, risking lives.

Overtakes what though? There's no slow car to overtake.

MissingSockDetective · 02/02/2026 05:18

Willowywisp · 02/02/2026 05:15

Overtakes what though? There's no slow car to overtake.

"They were driving slowly." would not be an excuse in court. The person overtaking is legally responsible for ensuring their manoeuvre is safe, if they cause an accident because it was dangerous to do so then they are at fault.

Monty27 · 02/02/2026 05:22

Road hog springs to mind not sure exactly why

Willowywisp · 02/02/2026 05:26

MissingSockDetective · 02/02/2026 05:09

Do you? What difference would my being a man or woman make to you I wonder?

Because it's very unusual for a woman to argue on and on like this when they have been proven wrong. And you clearly have no experience of the road in question. That is very apparent.

MissingSockDetective · 02/02/2026 05:27

Willowywisp · 02/02/2026 05:26

Because it's very unusual for a woman to argue on and on like this when they have been proven wrong. And you clearly have no experience of the road in question. That is very apparent.

Yet you appear to be doing so. You have no idea either way and nothing to base your assumptions on. We clearly disagree and that's fine.

sashh · 02/02/2026 05:28

When I was learning I was told you should 'keep up with the flow of the traffic'. Driving below the speed limit for no apparent reason can cause you to become a 'collector', you at the front and 10 other cars behind all getting more frustrated because they have places to be.

Can you drive when the road is more empty?

Willowywisp · 02/02/2026 05:28

MissingSockDetective · 02/02/2026 05:27

Yet you appear to be doing so. You have no idea either way and nothing to base your assumptions on. We clearly disagree and that's fine.

I appear to be doing what?

ProfessionalPirate · 02/02/2026 05:29

MissingSockDetective · 02/02/2026 04:58

That isn't what it says, the primary cause is not the slow driver.

I wasn’t talking about primary cause. You said that the slow driver had ‘no culpability at all’.

MissingSockDetective · 02/02/2026 05:31

ProfessionalPirate · 02/02/2026 05:29

I wasn’t talking about primary cause. You said that the slow driver had ‘no culpability at all’.

Pretty much yes, they may get a slap on the wrist, dangerous overtaking is far more worrying and reckless than someone going a bit slow.

MissingSockDetective · 02/02/2026 05:32

Willowywisp · 02/02/2026 05:28

I appear to be doing what?

Arguing, clearly.

Willowywisp · 02/02/2026 05:34

MissingSockDetective · 02/02/2026 05:32

Arguing, clearly.

But I haven't been proven wrong, you have, yet you still insist you are correct. That was my point. When presented with evidence to the contrary, you still insist you are correct.

Tablesandchairs23 · 02/02/2026 05:34

No driving to slow is as dangerous as driving to fast. Speed limits are there for a reason its not pick and mix. If you dont feel confident you shouldn't be driving.

MichaelmasDaisiesAndAutumSunset · 02/02/2026 05:37

As an example I regularly drive a 35 mile journey on a single lane road. If I average 50 mph (because I slow down for bends etc) it takes 42 minutes. If I have to average 35 mph (because I assume you will also slow down for bends, even though there is likely not going to be a need to) it will take an hour. Even if you average 40, it will still take 52.5 minutes.

Being generous, let’s take the average of 40 mins. Say this was my route to work (it’s not but is for many) and I do it 5 times a week, both ways. If I’m stuck behind you each way I lose 125 minutes a week because you are too timid to drive appropriately in the conditions. If you can’t even average 40 mph, it’s more like 180 minutes.

Setting aside the possible dangers, do you really want to be that much of a selfish dick? I also drive a Horsebox on this route and I can’t go very fast in that. I just pull over lots and leave time for that. It would be completely crazy to do otherwise.

MissingSockDetective · 02/02/2026 05:38

Willowywisp · 02/02/2026 05:34

But I haven't been proven wrong, you have, yet you still insist you are correct. That was my point. When presented with evidence to the contrary, you still insist you are correct.

As do you, the evidence is clear to me that the person held responsible for an accident is the dangerous overtaker. I don't know why you wish to carry on arguing. We must agree to disagree.

I am off to get ready for work now, I shall endeavour not to drive too slowly to ensure there is little risk of infuriating any aggressive drivers behind me!

MichaelmasDaisiesAndAutumSunset · 02/02/2026 05:39

Just read it’s the A90. Not my route but I know it well and you will be an absolute danger to yourself and others going that slowly. Please don’t drive.

Willowywisp · 02/02/2026 05:40

MichaelmasDaisiesAndAutumSunset · 02/02/2026 05:37

As an example I regularly drive a 35 mile journey on a single lane road. If I average 50 mph (because I slow down for bends etc) it takes 42 minutes. If I have to average 35 mph (because I assume you will also slow down for bends, even though there is likely not going to be a need to) it will take an hour. Even if you average 40, it will still take 52.5 minutes.

Being generous, let’s take the average of 40 mins. Say this was my route to work (it’s not but is for many) and I do it 5 times a week, both ways. If I’m stuck behind you each way I lose 125 minutes a week because you are too timid to drive appropriately in the conditions. If you can’t even average 40 mph, it’s more like 180 minutes.

Setting aside the possible dangers, do you really want to be that much of a selfish dick? I also drive a Horsebox on this route and I can’t go very fast in that. I just pull over lots and leave time for that. It would be completely crazy to do otherwise.

Exactly. And this journey is over 150 miles, one way with limited opportunities for overtaking. Could be stuck behind her for hours!

ProfessionalPirate · 02/02/2026 05:41

MissingSockDetective · 02/02/2026 05:31

Pretty much yes, they may get a slap on the wrist, dangerous overtaking is far more worrying and reckless than someone going a bit slow.

No, not pretty much. Are you this blase about all aspects of the law or is it just driving offenses that you turn a blind eye to?

Willowywisp · 02/02/2026 05:44

MissingSockDetective · 02/02/2026 05:38

As do you, the evidence is clear to me that the person held responsible for an accident is the dangerous overtaker. I don't know why you wish to carry on arguing. We must agree to disagree.

I am off to get ready for work now, I shall endeavour not to drive too slowly to ensure there is little risk of infuriating any aggressive drivers behind me!

I won't agree to disagree because you are so very clearly wrong but too arrogant to admit it. You presented me with no evidence whatsoever. I quoted you the actual law. Case closed. Try not to hold up the traffic on the way to work. Wishing you a pleasant day and safe commuting.

StartingOverInMy40s · 02/02/2026 05:44

If you’re driving that slowly on a dual carriageway then you’re likely to cause an accident not avoid one.

I don’t want to be harsh but if you can’t drive safely at the correct speed then you shouldn’t be driving on a road like that.

I would avoid the drive for now and book in some lessons to help you get over your anxiety. It sounds like you’ve built it up in your head and I guarantee it won’t be as bad as you’re thinking when you don’t feel confident enough to drive it.

Sheknowsaboutme · 02/02/2026 05:47

Drive to the conditions.
dont piss people off. If you think its ok to do this, you should not be driving.

if a speed limits is 60, drive it

BeingATwatItsABingThing · 02/02/2026 05:49

ScarboroughFairy · 02/02/2026 00:55

okay i'm just not sure if i can get to space on a bus or train and i'm worried about diversions and thingslike thati would be relying on my sat navto tell me how to avoid the dual carriage wayi have never done the journey beforemaybe it's not possiblei've got familythat lived about halfway between both places and they tell me there are regularly crashes on the a nineespecially on bends

If the roads are fine to do 60mph, people will slow down for bends accordingly. If you are only happy to do 40mph, you’ll presumably also go around the bends like a snail. People won’t expect that and, if they haven’t seen you in the distance, they’ll come up behind you much faster.

Driving to the speed limit when the road and weather conditions are safe to do so is far safer than blanket driving at 40! There’s a 50 road near me and so many bad drivers won’t go over 35/40 when it’s dry and clear. They then invariably continue at 35/40 when the speed changes down to 30 for a town. Either they’re stupid enough to think driving at an “average” speed cancels out or they’re paying so little attention that they don’t know what they’re doing.

Do everyone a favour and stop driving if you’re that anxious.