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So why are cars not limited to 70mph?

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Old 29-07-2013, 02:53 PM
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Fil
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Default So why are cars not limited to 70mph?

If the legal limit in the UK is 70 mph, why are cars not limited to this, these days with all the health and safety nonsence?


Just wondering? As 70s soo hard to stick too
Old 29-07-2013, 03:06 PM
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Why limit the car to 70? There is a perfectly adequate speed limiter built into your right foot..
Old 29-07-2013, 03:10 PM
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Originally Posted by Fil
If the legal limit in the UK is 70 mph, why are cars not limited to this, these days with all the health and safety nonsence?


Just wondering? As 70s soo hard to stick too
Be far to hard to fit limiters to older cars now! I guess they could to newer ones with ecu's able to limit speed like in trucks!
But people would kick right off I wouldn't like my car limited!
Old 29-07-2013, 03:18 PM
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Originally Posted by Fil
If the legal limit in the UK is 70 mph, why are cars not limited to this, these days with all the health and safety nonsence?


Just wondering? As 70s soo hard to stick too
Probably because there are places in the Uk and Europe where driving above 70 is perfectly legal

Last edited by BigChuck; 29-07-2013 at 03:23 PM.
Old 29-07-2013, 03:22 PM
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Fil
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was just thinking with all the gps technology aswell a car would know your on a motorway with 70 limit or in a 50 limit.

along with lorrys limited to 56.
Old 29-07-2013, 03:25 PM
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our new fiesta work vans are being limited to 70mph cause as they said its a health and safety thing
Old 29-07-2013, 03:30 PM
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Plus you'd still be able to double the residential speed limit.

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Old 29-07-2013, 03:54 PM
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Even if my insurance was half the price I still wouldn't want my car limited to 70mph.
Old 29-07-2013, 04:23 PM
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Because its an excellent source of revenue for the government.
Old 29-07-2013, 04:30 PM
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about 15 years back on the news or top gear whatever it was, it was showing a system where your car would be limited to the road limit, once you enter a zone you can`t go faster than the limit, 20,30,40, etc etc..that was working on test cars.

nowadays sat navs built into cars, know where you are.piece of cake to limit you...


wont be long now...

Last edited by rik-rs; 29-07-2013 at 04:32 PM.
Old 29-07-2013, 04:46 PM
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Originally Posted by Nick.W
Because its an excellent source of revenue for the government.

This^^^^ No I haven't a clue, besides it would only be a matter of weeks before loads of cars would be unlimited by tuners and the like, what's the point starting?
Old 29-07-2013, 04:51 PM
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Old 29-07-2013, 04:58 PM
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Originally Posted by Fil
If the legal limit in the UK is 70 mph, why are cars not limited to this, these days with all the health and safety nonsence?


Just wondering? As 70s soo hard to stick too
Cost to much for companys just to fit it to uk cars plus the government will lose out on loads of money and the biggest thing is the difference between 70mph and 100mph crash is pritty much the same and to be fair for most big cars 100mph is just as safe as 70mph on a motorway, The problem lies in speeders in 30mph zones which if you fit 70mph limter to all uk cars people can still speed in the most dagours place 30 mph zones.

Lets be fair uk has the safest roads in europe and the average speeds on motorways today is 90mph, So whats the point in fitting limters?
Old 29-07-2013, 05:00 PM
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Originally Posted by rik-rs
about 15 years back on the news or top gear whatever it was, it was showing a system where your car would be limited to the road limit, once you enter a zone you can`t go faster than the limit, 20,30,40, etc etc..that was working on test cars.

nowadays sat navs built into cars, know where you are.piece of cake to limit you...


wont be long now...
There was talk of a system much more recently than that - within the last 6 or 7 years - that works using (I think) TomTom maps to determine speeds of the roads you are on, and limits the car to those speeds, so no matter what gear or how much throttle you use, you cannot go over 20,30,40,50 etc. Can't remember what it was called, but I think I might have seen it on 5th Gear?
Old 29-07-2013, 05:14 PM
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Smart systems like this will only work on modern cars anyway so most of us will be safe if it ever happens lol! You couldn't fit a smart sat nav based system that limits speed via the ecu to an old sierra.
But things are getting more advanced I work for Daf and when the euro 6 regs come into law end of this year start of next the adaptive curse control system / anti crash system that they will all have to have will be able to bring the truck to almost a compleat standstill on its own!
Old 29-07-2013, 05:27 PM
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It would never work as if a car restricted to 70 is on a motor way, for every other car behind you loose half a mile so it would cause massive traffic jams everywhere
Old 29-07-2013, 05:37 PM
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At my last job we had 3.5t iveco dailys that were limited to around 66mph!!!not even 70 mph!!!!! If you unplugged the speedo plug off the side of the gear box it turned the limiter off but the speedo still worked???? God knows how.
Old 29-07-2013, 05:40 PM
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Originally Posted by tay14
At my last job we had 3.5t iveco dailys that were limited to around 66mph!!!not even 70 mph!!!!! If you unplugged the speedo plug off the side of the gear box it turned the limiter off but the speedo still worked???? God knows how.
Wheel speed sensors now days
Old 29-07-2013, 07:22 PM
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Originally Posted by gingerturbo
It would never work as if a car restricted to 70 is on a motor way, for every other car behind you loose half a mile so it would cause massive traffic jams everywhere
Plus over taking would be a thing of the past. Or at least motorways wouldn't need a 3rd/+ lane. It would mean roads in city's would have to be controlled by the private sector for up keep. It would be problem after problem
Old 29-07-2013, 07:26 PM
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Yep at least us as mechanic will earn more money for no reason due to cars sooting up due to low speed driving lol
Old 29-07-2013, 07:31 PM
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My thoughts exactly lol. Mind you they'll just put a repair tax so we don't see any profit
Old 29-07-2013, 07:43 PM
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I would say it would be easily bypassed and beside, as said not everywhere is limited and most accidents will be people driving in residential areas at silly speeds but still below 70pmh.

I did wonder if they could introduce a rev limiter to new drivers cars - to be paid for by the new driver. The car can only rev to say 3k so although you could get it up to speed, it would take much longer and so harder to go nailing it around, yet still functional to drive day to day safely.
Old 29-07-2013, 07:47 PM
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Yeh this should be a must, also there should be a CC/horsepower restriction to for first time drivers
Old 29-07-2013, 08:01 PM
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My work vans supposed to be limited to 70. Does 80 on the speedo, 75 on the sat nav. I sit with my foot to the floor from Glasgow to Annan down the M74 sometimes and it's actually quite handy knowing you won't get caught speeding! Pain in the arse though when you catch up to a car, pull out to overtake and they accelerate the tiniest wee bit and I'm stuck alongside them

Don't think I'd like my car to be limited though.
Old 29-07-2013, 08:14 PM
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Surely restricting revs to say 3 or 4k would be against all the effort trying to reduce emissions? Cars would be screaming all over the place. Imagine tryin to get up a moderate hill?!

In the end, I suppose the trackers that insurance company's use for new drivers are the best bet. Or a better stricter training scheme for the entire country's drivers lol.
Old 29-07-2013, 08:35 PM
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Originally Posted by ajamesc
Smart systems like this will only work on modern cars anyway so most of us will be safe if it ever happens lol! You couldn't fit a smart sat nav based system that limits speed via the ecu to an old sierra.
But things are getting more advanced I work for Daf and when the euro 6 regs come into law end of this year start of next the adaptive curse control system / anti crash system that they will all have to have will be able to bring the truck to almost a compleat standstill on its own!
that might be a new application to the truck world, but it's old news in the car world
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