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Speed Limit On Sheffield Parkway Set To Be Cut?

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50 minutes ago, Crissie said:

Haha, you really are very funny Cyclone - it never occurred to me that there could be magic fairies (I think they're faeries really) in my car, I always thought the electricity came from regenerative braking and a generator driven by the petrol engine when required - not necessary on the Parkway so I don't add to the localised pollution there.

The point here, that I think you missed, is that unlike Resident's oil-burner, my car runs more efficiently at 65 mph than 70 mph - nothing to do with range either.

I don't come from Nottingham, don't know how you managed to creep that one in.

Would you prefer it if I drove at 70 mph instead of 65?  It would save me around 8 valuable seconds on the 70 mph stretch of the Parkway, and the only cost is a bit of extra pollution.

Does it run more efficiently?  The fact that it can run on electric only at that point (for a very limited range) doesn't make an argument that it is more efficient.

I selected nottingham as being far enough that you couldn't do it on electric only, but not so far as to be ridiculous like, say, Portsmouth.

65 is mildly inconvenient to other drivers on the motorway who have to pass you, but it's not unreasonably slow, so I have no complain with you choosing to drive at that speed.  I don't think you've established that it would create any more pollution.

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48 minutes ago, Cyclone said:

Does it run more efficiently?  The fact that it can run on electric only at that point (for a very limited range) doesn't make an argument that it is more efficient.

The fact that I'm not burning any fossil fuel at that speed and over that part of the journey is a reasonable measure of efficiency - I  don't really know any other metric that could easily be applied.  My car doesn't suddenly become a gas-guzzling monster when the petrol generator kicks in, so even over longer journeys I'll consume less petrol at 65 than at 70, and costs me around 4 seconds for every mile.  Your posh 8-speed car (is it a Diesel engine?) might well give different results, I don't mind.  Whether you believe me or not, I'm happy with my assessment.

 

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2 hours ago, Cyclone said:

You keep ignoring points as if they'll conveniently disappear.

 

1. Appears to be in doubt.

2. We know that 50 is safer.  40 is safer still, 30 is safer still, so by what logic have you selected 50?  I contend that there is no logic or basis for this selection, there is no argument that 70 is too dangerous.

3. That part of the parkway has a 50 limit is irrelevant, and that journey times will only change slightly is irrelevant.

You realise that "no fuel" is incorrect.  Unless you think the electricity to run the car comes from magic fairies or something.  Presumably your car cannot drive for more than 20 or 30 miles without using the engine, so had you just arrived from the motorway, at 65 mph, having come from Nottingham, your engine would run either way, right?

1. Isn’t in doubt.

 

2. 50mph is a sensible speed that isn’t going to significantly slow people down but is safer than 70mph.

 

Continually arguing that this means we should drive at 30mph / 10mph etc is a daft argument. 

 

you seem to be under the impression that a logical argument to justify greater speeds is that by applying reductions to make them safer must continue until you reach 0mph - nonsense.

 

3. It is relevant - because it means the same speed limit is applicable throughout the stretch which would be a sensible approach.

 

Just explain what your issue is with reduced environmental impact and slower speeds on the roads?

 

or just admit you don’t want it to happen because you like to drive fast and don’t really care about the above - that’s fine - your entitled to your view.

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12 minutes ago, Crissie said:

The fact that I'm not burning any fossil fuel at that speed and over that part of the journey is a reasonable measure of efficiency - I  don't really know any other metric that could easily be applied.  My car doesn't suddenly become a gas-guzzling monster when the petrol generator kicks in, so even over longer journeys I'll consume less petrol at 65 than at 70, and costs me around 4 seconds for every mile.  Your posh 8-speed car (is it a Diesel engine?) might well give different results, I don't mind.  Whether you believe me or not, I'm happy with my assessment.

 

Like Cyclone I don't particularly care what speed you drive on the Parkway, as long as it's not slow enough to hold up other traffic. What I do object to is being told that a certain speed is too fast when it has long been perfectly acceptable. Your 65 for example would be illegal if this rule came into effect.

 

A fundamental point that many are ,missing here is that these speed limits were set back in a day when cars were far less efficient and capable. What may have been mildly dangerous in the 1970s to drive at is an absolute breeze these days with traction control and assisted braking. In fact most modern cars wil stop in far less time than the old fashioned 'braking distance' says they will. So the safety aspect of reducing speed limits these days is largely bogus.

 

Equally, cars are much kinder on the environment than they used to be. Mine (like Cyclone's) has an 8 speed box and is more efficient driving on the Parkway at 70MPH than it would be through town at 40MPH (which would be my preferred route if the 50MPH limit of the Parkway comes into force). Indeed it has an Eco Pro mode which i engage on the motorway which saves me fuel and emissions. It only starts to become ineffective at 80MPH (according to the manufcturers own details) and will actually tell you to reduce your speed to below that level. I presume that is becuase it is  German car and we all know you can drive faster on some roads in Germany - hence how I know.

 

Maybe what they should really do is ban the older 4-speed cars that are less safe, use more fuel and cause more damage to the environment doing 50 MPH than mine will at 70? Just a thought..

 

 

 

Edited by DnAuK

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8 minutes ago, DnAuK said:

Like Cyclone I don't particularly care what speed you drive on the Parkway, as long as it's not slow enough to hold up other traffic. What I do object to is being told that a certain speed is too fast when it has long been perfectly acceptable. Your 65 for example would be illegal if this rule came into effect.

 

A fundamental point that many are ,missing here is that these speed limits were set back in a day when cars were far less efficient and capable. What may have been mildly dangerous in the 1970s to drive at is an absolute breeze these days with traction control and assisted braking. In fact most modern cars wil stop in far less time than the old fashioned 'braking distance' says they will. So the safety aspect of reducing speed limits these days is largely bogus.

 

Equally, cars are much kinder on the environment than they used to be. Mine (like Cyclone's) has an 8 speed box and is more efficient driving on the Parkway at 70MPH than it would be through town at 40MPH (which would be my preferred route if the 50MPH limit of the Parkway comes into force). Indeed it has an Eco Pro mode which i engage on the motorway which saves me fuel and emissions. It only starts to become ineffective at 80MPH (according to the manufcturers own details) and will actually tell you to reduce your speed to below that level. I presume that is becuase it is  German car and we all know you can drive faster on some roads in Germany - hence how I know.

 

Maybe what they should really do is ban the older 4-speed cars that are less safe, use more fuel and cause more damage to the environment doing 50 MPH than mine will at 70? Just a thought..

 

 

 

Yes because banning the people using their cars countrywide will be much more straightforward than changing the 4mile stretch of the parkway speed limit by 20mph.

 

Very sensible.

Edited by makapaka

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23 minutes ago, makapaka said:

or just admit you don’t want it to happen because you like to drive fast and don’t really care about the above - that’s fine - your entitled to your view.

Or maybe you're the one with the issue because you seem to think that 70 is too "fast".  It might be for you, so stay on the 30 mph roads.

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Seems to me that there are a lot of posters on this thread, whom seem to think they own the road.

I pay my road tax, insurance, clean and maintain my car to the highest standards.

I like to drive in a more sedate fashion than some on here.

I"m not an incompetent driver as some on here like to think.

I"m allowed on the road like anyone else, and always drive safely.

The problem is some on here have shown complete ignorance to the many thousands of drivers who drive in a sensible manner.

Learn some patience , and make allowances for people who don"t all drive cars with 8 gears.

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7 minutes ago, alchresearch said:

Or maybe you're the one with the issue because you seem to think that 70 is too "fast".  It might be for you, so stay on the 30 mph roads.

Another sensible response.........

 

I have to drive on 30mph roads because you don't agree that the parkway should be all 50mph.

 

That doesn't make sense.

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1 hour ago, DnAuK said:

Like Cyclone I don't particularly care what speed you drive on the Parkway, as long as it's not slow enough to hold up other traffic. What I do object to is being told that a certain speed is too fast when it has long been perfectly acceptable. Your 65 for example would be illegal if this rule came into effect.

 

A fundamental point that many are ,missing here is that these speed limits were set back in a day when cars were far less efficient and capable. What may have been mildly dangerous in the 1970s to drive at is an absolute breeze these days with traction control and assisted braking. In fact most modern cars wil stop in far less time than the old fashioned 'braking distance' says they will. So the safety aspect of reducing speed limits these days is largely bogus.

 

Equally, cars are much kinder on the environment than they used to be. Mine (like Cyclone's) has an 8 speed box and is more efficient driving on the Parkway at 70MPH than it would be through town at 40MPH (which would be my preferred route if the 50MPH limit of the Parkway comes into force). Indeed it has an Eco Pro mode which i engage on the motorway which saves me fuel and emissions. It only starts to become ineffective at 80MPH (according to the manufcturers own details) and will actually tell you to reduce your speed to below that level. I presume that is becuase it is  German car and we all know you can drive faster on some roads in Germany - hence how I know.

 

Maybe what they should really do is ban the older 4-speed cars that are less safe, use more fuel and cause more damage to the environment doing 50 MPH than mine will at 70? Just a thought..

 

 

 

70mph is too fast on the parkway, 50-60 is about right. 

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On 06/07/2019 at 12:29, Planner1 said:

You'd be wrong there. EV's lose a significant amount of range in colder weather.

 

Read this: https://www.marketwatch.com/story/cold-weather-saps-electric-car-batteries-2019-02-07

I had one for three years, Mitzi Outlander PHEV and can only agree with your post.

 

Angel1.

1 hour ago, Crissie said:

The fact that I'm not burning any fossil fuel at that speed and over that part of the journey is a reasonable measure of efficiency - I  don't really know any other metric that could easily be applied.  My car doesn't suddenly become a gas-guzzling monster when the petrol generator kicks in, so even over longer journeys I'll consume less petrol at 65 than at 70, and costs me around 4 seconds for every mile.  Your posh 8-speed car (is it a Diesel engine?) might well give different results, I don't mind.  Whether you believe me or not, I'm happy with my assessment.

 

What about the fossil fuel used to generate electricity used to charge our electric cars up. There is no such thing as a free dinner.

 

Angel1.

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I have not read all the posts, so apologies if this may be repeating something already posted. Re reducing speeds to reduce exhaust emissions, it comes down to this. Does slowing traffic to 40/50 thereby increasing the time taken between point a and point b reduce emissions more than letting traffic flow at 70 and reduce the time taken between a and b thus reducing time taken to emit emissions. My money is on free flowing 70mph.

 

Angel1.

 

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