From: "MatSav" matthew | dot | savage | at | dsl | dot | pipex | dot | on
johnwright" <""john\"@no spam wrote:
> I think one of the most interesting routes the Tom Tom has done
> was to
> bring us home from an obscure dog breeder in the middle of
> Leicestershire.

I know the route home from Eastbourne to near Heathrow very well,
including lots of possible diversions. However, when making the
journey late one night, I decided I'd use "shortest" on the
TomTom. When it said "take the next right", the suggested route
was into a minor road with a width restriction and a steep
gradient sign, so I ignored the instruction. The next suggested
junction looked more promising, so I followed the newly-suggested
route instead. After a couple of miles, the road got narrower,
and the trees completely overhung the road. There had been no
warning signs of width restrictions that I'd seen - but there
weren't any passing places either. Fortunately, nothing came the
other way! Then the tarmac ran out. I was driving on a dirt road,
little more than a bridleway, at 1am, with no idea where I
actually was! I won't make the same mistake again...


From: "MatSav" matthew | dot | savage | at | dsl | dot | pipex | dot | on
Denis McMahon wrote:
> This 2005 story
> suggests that the problem is pretty widespread, ...

> It's interesting that according to that report, some drivers
> manage to
> ignore "collision protection beams and chevron marking and
> improved
> signage" - presumably by collision protection beams they are
> referring
> to an optical overheight detection coupled with a warning
> system.

Then you may be wrong. I believe they mean "beams" as in "girt
big f-off steel girders, brightly painted, mounted just before
the bridge at the same height" (in order to prevent damage to the
bridge itself).


From: Cynic on
On 22 Dec 2009 20:04:20 GMT, Adrian <toomany2cvs(a)> wrote:

>Cynic <cynic_999(a)> gurgled happily, sounding much like they
>were saying:
>> In that case are you opposed to the plethora of warning hooters in
>> passenger aircraft cockpits? After all, the pilot has a map that tells
>> him how high the mountain is and an altimeter that tells him how high
>> the aircraft is, so it is just as easy for him to work out if he will
>> get over it as it is for the lorry driver to know whether he will get
>> under the bridge. Yet you will find a terrain clearance system that
>> operates as a last resort warning if the pilot screws up. Same applies
>> to undercarriage warnings, stall warnings, engine overspeed warnings,
>> door unlatch warnings etc. etc.
>There's a rather big difference between installing a warning device in
>the plane and installing a warning device on every single mountain...

Next time you see a tall aerial mast, look at the top of it. You will
note that it has a flashing red beacon. Guess why that's there.

And those are fitted to *every* tall mast.


From: Cynic on
On Tue, 22 Dec 2009 20:35:34 -0000, "Mr X" <invalid(a)>

>>>> I see. So presumably you are completely opposed to the huge amount of
>>>> money we spend on gritting the roads every year. We should instead
>>>> simply laugh at all the smashed up vehicles whose drivers were obviously
>>>> too stupid to realise that the roads were slippery.
>>>Where did I say that sensible precautions weren't required? I'd have said
>>>a compulsory sign in front of every low bridge and a compulsory notice in
>>>the cab of every tall vehicle were such sensible precautions.
>> As are hanging chains on the approach.
>Which could shatter the windows of the bus.

Which is preferable to shearing off the whole roof.



From: Cynic on
On Tue, 22 Dec 2009 22:11:57 +0000, Roland Perry <roland(a)>

>In message <t492j5h6tucglm1uehlqgbtma47u7umc1u(a)>, at 20:00:36 on
>Tue, 22 Dec 2009, Cynic <cynic_999(a)> remarked:
>>Maybe you should remove all the safety equipment from your car and fit
>>a huge spike to the centre of the steering wheel. After all, provided
>>you never make a mistake, you'll be no worse off.
>Unfortunately, about half the relevant mistakes are made by someone

But as a perfect driver, you should be able to anticipate and avoid


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