So, Ian Sergeant has presented reasoning why we should not pursue more
complicated schemes for applying traffic lights to intersections of dual
carriageways - fair enough.
This brings me back to the incident that triggered me to start this thread:
there are several intersections of dual
On 07/11/12 23:21, Steer wrote:
So, Ian Sergeant has presented reasoning why we should not pursue more
complicated schemes for applying traffic lights to intersections of
dual carriageways -- fair enough.
That is not quite what I said.
I'd be happy to see a more detailed schema that is
By choosing to place traffic light not on the intersection node, you
are failing to represent that this is an intersection of two roads,
controlled by traffic signals.
I don't see how it is failing to represent that - the intersection is there
(the ways intersect at nodes), and there are
On 4 November 2012 20:58, Ian Steer ianst...@iinet.net.au wrote:
By choosing to place traffic light not on the intersection node, you
are failing to represent that this is an intersection of two roads,
controlled by traffic signals.
I don't see how it is failing to represent that - the
Ian Steer wrote
I think this is good because no matter
which way you go through the intersection, you only pass one set of lights
(rather than 2 if they were placed on the actual intersecting nodes).
Couldn't a smart traffic light counter detect dual carrageways and just
add a single signal,
Steer wrote:
I have been trying to find the accepted practise for mapping traffic
lights where dual carriageways interest. There is much discussion
on various sites, but most seems to be a bit old, and I’m not
convinced I’ve found what is the latest accepted practise.
I checked some
And the only area it's done like this is in Melbourne.
Cheers
Ross
On 03/11/12 17:03, John Henderson wrote:
Steer wrote:
I have been trying to find the accepted practise for mapping traffic
lights where dual carriageways interest. There is much discussion
on various sites, but most seems to
On 3/11/2012 5:33 PM, John Henderson wrote:
I checked some intersections in Melbourne’s CBD, and the method I saw
that I liked and thought the best was where there were 4 lights at
the intersection, but they were not placed on the intersecting modes,
but one node back “upstream” on each way. I
On 03/11/12 18:03, John Henderson wrote:
2. It's the accurate representation of what's on the ground. It lets
us convey the significance of the stop lines associated with the lights.
That's something we can't do with two-way traffic without compromising
point 1.
Mapping is choosing a
On 04/11/12 07:29, Ian Sergeant wrote:
By choosing to place traffic light not on the intersection node, you
are failing to represent that this is an intersection of two roads,
controlled by traffic signals. Instead you are choosing to
represent There is a stop line here and traffic signal and
I have been trying to find the accepted practise for mapping traffic lights
where dual carriageways interest. There is much discussion on various
sites, but most seems to be a bit old, and I'm not convinced I've found what
is the latest accepted practise.
I checked some intersections in
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