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A Suburb in Stockport

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Box junctions on the A6

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nedsram
Townsperson

nedsram
Re: Box junctions on the A6
23rd May 2016 at 1:50PM, Edit: 23rd May 2016 at 1:53PM by nedsram
This in danger of becoming a flame war, which would be a real shame. Having read the above comments, I'd like to add a few additional comments.

1. Box junctions. The rule is "do not enter the box junction unless your exit is clear". Which the case of the Commercial Road means that if (as is normally the case) Commercial Road is clear, you should enter the box junction.

2. Ambulances. Like everybody else, I often see ambulances on the A6, and usually they get through by people moving out of the way and creating a passage for them. I don't think "what if an ambulance comes?" when driving. What I do is try too make room for it if it does.

3. Stockport Highways Department. If there was a prize for the most incompetent highways department in the country, Stockport would certainly be on the shortlist. Where else do you get traffic jams even when the traffic is light? If there is a right turn sensor, the logical place to put is is just before the stop line, so that it can detect that traffic at that point is stationary. But logic seems to be way down the list of considerations in many cases. I could add some more examples, but I'll settle for just one: the lane markings at the St Mary's Way / Spring Gardens / Hall Street junction for southbound traffic. Suffice it to say that when I used to commute from Poynton to Stockport, the quickest route was always via Stanley Green and Gatley. (Do the distance sums.)
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TwistedBanana
Townsperson

TwistedBanana
Re: Box junctions on the A6
23rd May 2016 at 2:11PM
nedsram Wrote:

This in danger of becoming a flame war, which would be a real shame. Having read the above comments, I'd like to add a few additional comments.

1. Box junctions. The rule is "do not enter the box junction unless your exit is clear". Which the case of the Commercial Road means that if (as is normally the case) Commercial Road is clear, you should enter the box junction.

2. Ambulances. Like everybody else, I often see ambulances on the A6, and usually they get through by people moving out of the way and creating a passage for them. I don't think "what if an ambulance comes?" when driving. What I do is try too make room for it if it does.

3. Stockport Highways Department. If there was a prize for the most incompetent highways department in the country, Stockport would certainly be on the shortlist. Where else do you get traffic jams even when the traffic is light? If there is a right turn sensor, the logical place to put is is just before the stop line, so that it can detect that traffic at that point is stationary. But logic seems to be way down the list of considerations in many cases. I could add some more examples, but I'll settle for just one: the lane markings at the St Mary's Way / Spring Gardens / Hall Street junction for southbound traffic. Suffice it to say that when I used to commute from Poynton to Stockport, the quickest route was always via Stanley Green and Gatley. (Do the distance sums.)


Coming home from work the other day (I work in Heaton Mersey) i hit the usual jam that starts near the hospital entrance on the A6 and carries on to High Lane nowadays. Anyway I got to the lights at Asda which went red, no one was waiting to exit Asda and no one was using it as a pedestrian crossing. I suppose someone could have pressed the crossing button and walked off but there didn't seem to be anyone about. Surely these lights only change when triggered by someone leaving Asda or someone pressing the button. i would hate to think they are sequenced in anyway, that would show gross incompetence from our planners
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Jenny
Villager

Jenny
Re: Box junctions on the A6
23rd May 2016 at 3:09PM
TwistedBanana Wrote:

Coming home from work the other day (I work in Heaton Mersey) i hit the usual jam that starts near the hospital entrance on the A6 and carries on to High Lane nowadays. Anyway I got to the lights at Asda which went red, no one was waiting to exit Asda and no one was using it as a pedestrian crossing. I suppose someone could have pressed the crossing button and walked off but there didn't seem to be anyone about. Surely these lights only change when triggered by someone leaving Asda or someone pressing the button. i would hate to think they are sequenced in anyway, that would show gross incompetence from our planners


Sorry for seemingly having a response for everything :P

Traffic lights either run on fixed timings, or are responsive to demand (via loops in the road) or a mix of both. Sadly, the traffic engineers of Greater Manchester have decided that they love fixed timings, which is why it's common to find yourself sat at red lights for no obvious reason up in this part of the country. The fact that we have a loop at the Commercial Road junction is actually novel around here!

Elsewhere in the country, it's more common to find traffic light hooked up to complicated computer systems which make thousands of decisions every second to work out when is the best time to change, etc. (Obviously I've simplified that a bit)
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TwistedBanana
Townsperson

TwistedBanana
Re: Box junctions on the A6
23rd May 2016 at 3:17PM
Jenny Wrote:

TwistedBanana Wrote:

Coming home from work the other day (I work in Heaton Mersey) i hit the usual jam that starts near the hospital entrance on the A6 and carries on to High Lane nowadays. Anyway I got to the lights at Asda which went red, no one was waiting to exit Asda and no one was using it as a pedestrian crossing. I suppose someone could have pressed the crossing button and walked off but there didn't seem to be anyone about. Surely these lights only change when triggered by someone leaving Asda or someone pressing the button. i would hate to think they are sequenced in anyway, that would show gross incompetence from our planners


Sorry for seemingly having a response for everything :P

Traffic lights either run on fixed timings, or are responsive to demand (via loops in the road) or a mix of both. Sadly, the traffic engineers of Greater Manchester have decided that they love fixed timings, which is why it's common to find yourself sat at red lights for no obvious reason up in this part of the country. The fact that we have a loop at the Commercial Road junction is actually novel around here!

Elsewhere in the country, it's more common to find traffic light hooked up to complicated computer systems which make thousands of decisions every second to work out when is the best time to change, etc. (Obviously I've simplified that a bit)


Thanks for the info Jenny - you do know a little too much about this subject :D
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nedsram
Townsperson

nedsram
Re: Box junctions on the A6
23rd May 2016 at 6:21PM
The lights on Kingsway in Burnage are sequenced so that traffic in the direction of the rush hour traffic can, at the appropriate speed, go through every light without stopping. If there is any sequencing on the A6 in Stockport, the impression is often that the lights are deliberately timed to go red just as you are approaching them. If they sequenced the A6 lights so that rush hour traffic doing 30 could go through every traffic light without stopping, I imagine that the effect would be dramatic. Of course this has nothing to do with years of Lib Dem leadership intent on making life as difficult as possible for car drivers, has it.
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