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In-car notification of speed limit
Comments
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Our Garmin gives what they think is the speed limit and the speed you are doing goes red if you exceed it.
BUT there are several roads I know of where the limit was reduced some time ago, two years at least, and the Garmin still shows the wrong limit.
Yes it has been updated.0 -
It's a reminder from what you had to learn to pass your driving test.
But it's very simple...
Are there regular repeaters? Yes? That's the speed limit.
No? So are there regular streetlights? Yes? 30mph.
No? How many carriageways? One? 60mph. Two? 70mph.
(I'm assuming you know what a carriageway is. It's not the same as a lane.)
That's it! All of it! You now know EXACTLY what the speed limit is on every single road in the UK, with no more information than a second or two of looking out of the windscreen...
Excellent summary, but be aware it may be different if you're not driving a car or motorbike, or towing a trailer..0 -
GPS systems that tell you the speed limit, are as (un)reliable as those that tell you where the road is.
Some top-end cars literally read the road signs, but they struggle with :
Vegetation and dirt
Parallel roads, and carriageway repair site limits
Motorway gantries
They also only tell you, just as you pass the sign ; which is awkward, because that's often where the speed cameras are.
See if you can find a system which offers an insurance policy ( say £1000 / point ) if it gives a bad signal which causes a speeding penalty. I bet they all have some sort of disclaimer.
At least every car has a human driver, imagine the chaos if anyone thought of letting computers drive them.0 -
Aylesbury_Duck wrote: »You invent that, and I'll come up with a dial that can go right in front of a driver's nose to show what speed they are travelling.
I think you're on to something here. I am wondering if some flashing lights at each side of the car could be fitted so that you could let other drivers and road users know which way you were intending to turn could be a winner too.0 -
[quote=[Deleted User];72807010]Unless there are streetlights.[/QUOTE]
In which case... Go on, you can do it.0 -
[quote=[Deleted User];72807023]Excellent summary, but be aware it may be different if you're not driving a car or motorbike, or towing a trailer..[/QUOTE]
True-ish. If you're driving a different type of vehicle, NSL may be different. But that's really just an upper cap - below that NSL for the vehicle type, all the limits apply identically, and the concept of NSL still applies.0 -
In order to display numbers or warn of over-speed, the clever gizmo that knows what the limit is, would often need to know the type of vehicle it is fitted to, or if it has a trailer, or a space-saver spare wheel. Any of these can mean a lower number.If you're driving a different type of vehicle, NSL may be different.0 -
Seeing as this is money saving, I wouldn't waste my money on something so simple.0
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