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Ian Perry posted a discussion

Traffic study finds amber lights cause dilemma...

Drivers know that green means go, red means stop and yellow means . . . "Can I make it?" Researchers from the University of Cincinnati have studied four high-speed intersections. They found that at amber (yellow) lights, drivers' decisions about whether to proceed or stop were influenced by vehicle size, speed, choice of lane and length of signal phase. Traffic engineers base amber light time on average vehicle speeds. The longer the phase, the more likely that a motorist will decide to…See More
Jul 15, 2010
David Neylan replied to Ian Perry's discussion Where is the most over-engineered junction in the UK?
"This is a great question Ian, but how are you going to judge the winner? Is it to be the most stuff for the least problem or are the bigger junctions going to win?"
Apr 16, 2010
Ian Perry posted a discussion

Where is the most over-engineered junction in the UK?

I came across the following junction and it started me wondering, where is the most over-engineered junction in the UK?    This one is in Cardiff where traffic lights and guardrails seem to be appearing faster than the rest of the world can take them down.…See More
Apr 7, 2010
Martin Cassini replied to Ian Perry's discussion Red-Light Cameras Increase Accidents, USF Study Says (March 2010)
"Ian, I've only just seen this discussion thread of yours! I only seem to get alerts for blog posts or comments. Yes, I've been keeping a bit of an eye on the red-light camera debate in the US. What I've read supports my instinctive…"
Apr 2, 2010
Ian Perry replied to David Neylan's discussion Elwick Square Ashford
"Hi David, I think that you will be interested to read the following: WORK BEGINS ON PARKING SCHEME IN ASHFORD TOWN... http://www.ashford.towntalk.co.uk/news/display/13563/ "Work aimed at making parking restrictions clearer in Ashford town…"
Mar 26, 2010
Ian Perry replied to Ian Perry's discussion Red-Light Cameras Increase Accidents, USF Study Says (March 2010)
"One more file attached here."
Mar 25, 2010
Ian Perry posted a discussion

Red-Light Cameras Increase Accidents, USF Study Says

Cameras at intersections increase, not decrease, accidents, according to a University of South Florida study.  The university's yearlong review, published in the campus journal Florida Public Health Review, warns that drivers are at higher risk of having accidents at intersections where cameras are installed.People see a yellow light and normally they would drive through it, but at camera intersections they do the quick stop. They slam on the brakes and that means everybody else behind them…See More
Mar 25, 2010
Ian Perry commented on David Neylan's blog post Puffin to the rescue
"The London Road Safety Unit Research looked at changes in collisions before and after the implementation of 23 new stand-alone Puffin crossings, despite collisions falling throughout London due to congestion, they found: “When grouped by…"
Mar 18, 2010
Ian Perry posted a discussion

Traffic Lights and Light Rail

font-family:"Calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-GB;mso-fareast-language:EN-US;mso-bidi-language:AR-SA">ThisABC15 News report shows drivers failing to notice red lights, and theconsequences when they cross the path of a tram.PHOENIX - …See More
Mar 18, 2010
Ian Perry posted a discussion

Traffic police on junctions

The police once controlled many of our junctions until traffic lights replaced them to save money.  In North Korea, traffic police still control many junctions and make a somewhatattractive and human way of managing traffic.If the North Korean traffic police were to replace the traffic lights of London, I wonder what the result would be in terms of driver reaction, safety and congestion. See More
Mar 14, 2010
Martin Cassini replied to Ian Perry's discussion Most pointless set of pedestrian lights?
"Good information, David. The public money spent on segregating and alienating us from each other, all in the name of safety (when the very foundation of traffic control is flawed, the measures therefore counterproductive and the expenditure wasted),…"
Mar 13, 2010
David Neylan replied to Ian Perry's discussion Most pointless set of pedestrian lights?
"As I understand it Pelican crossings are old technology replaced by Puffin crossings. The Pelican has the green and red man on the the opposite side of the road, visible to the driver and pedestrian with an audible crossing signal. The Puffin has…"
Mar 13, 2010
Ian Perry posted a discussion

More technology?

mso-fareast-font-family:"Times New Roman";color:#500050;mso-fareast-language: EN-GB">The Technion-Israel Institute of Technology has developed a"smart" traffic sign designed to help drivers make correct decisionsand avoid collisions at traffic intersectionsmso-fareast-font-family:"Times New Roman";color:#500050;mso-fareast-language: EN-GB"> mso-fareast-font-family:"Times New Roman";color:#500050;mso-fareast-language: EN-GB">The system relies on cameras and computers to predict pending…See More
Feb 26, 2010
Ian Perry posted a blog post

Vale of Glamorgan Road Infrastructure Developments

During the summer, I wrote to the Vale of Glamorgan with regard to some road infrastructure changes in the South Wales towns of Penarth and Cowbridge. The questions and answers follow:What are the traffic flows on Windsor road and why is the road, particularly in the town centre not deemed suitable for “shared space”, when Bristol City Council are planning to follow Ashford and turn Park Street over to “shared space”? – "Most recent traffic count shows an average of 13,688 vehicles per day. The…See More
Oct 23, 2009
Ian Perry posted photos
Aug 16, 2009
Ian Perry posted a blog post

Manual for Streets ignored in Wales.

All Local Authorities in Wales have failed to respond to the offer of training or more information on the Manual for Streets according to one of its authors. The document is based on solid research and has won much praise and many awards and yet Local Authorities continue to design streets as they always have...Only one person at a presentation on the Manual for Streets organised by the Chartered Institute of Logistics and Transport, held in the council offices of Cardiff Council out of the 20…See More
Aug 12, 2009

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Vale of Glamorgan Road Infrastructure Developments

Posted on October 20, 2009 at 10:30 0 Comments

During the summer, I wrote to the Vale of Glamorgan with regard to some road infrastructure changes in the South Wales towns of Penarth and Cowbridge. The questions and answers follow:



What are the traffic flows on Windsor road and why is the road, particularly in the town centre not deemed suitable for “shared space”, when Bristol City Council are planning to follow Ashford and turn Park Street over to “shared space”?

– "Most recent traffic count shows an… Continue

Manual for Streets ignored in Wales.

Posted on April 10, 2009 at 22:30 0 Comments

All Local Authorities in Wales have failed to respond to the offer of training or more information on the Manual for Streets according to one of its authors. The document is based on solid research and has won much praise and many awards and yet Local Authorities continue to design streets as they always have...

Only one person at a presentation on the Manual for Streets organised by the Chartered Institute of Logistics and Transport, held in the council offices of Cardiff Council out of… Continue

Update from Ashford, UK

Posted on April 1, 2009 at 12:39 1 Comment

The following press release has been issued by Ashford Borough Council this week. This is very positive news.





"Where Ashford leads in urban planning and street design, others follow – that seems to be the message after it was revealed that more than a dozen UK towns are also adopting shared space concepts to help improve their streetscapes.



Last month it was reported that Staines, Newcastle-under-Lyme, Hereford and… Continue

Shared cycle lane

Posted on March 30, 2009 at 23:30 1 Comment

Debates rage around the world over the merits of naked streets, shared space, traffic calming, speed limits and bicycle lanes. Perhaps the Dutch have found the perfect solution.





On the street in the picture, the central white line has gone, but on both sides are 1.75m wide red cycle lanes, with a dotted white line separating them from the main carriageway. This dotted line allows vehicles to enter the cycle lane in order to pass… Continue

Comment Wall (4 comments)

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At 10:46 on February 28, 2009, Ian Perry said…
Through your old blog. I like to know what is going on...
At 0:15 on February 28, 2009, Martin Cassini said…
Good to have you on board. How did you hear of this network - through the net or a mutual friend?
At 22:48 on February 27, 2009, Ian Perry said…
Hello Martin,

I just sprung out from behind one of the ever so many traffic lights in Cardiff... Traffic lights are breeding here faster than rabbits. Not only do we have traffic lights to join a roundabout and on it, but a further set of lights to leave the roundabout! A road which simply leads to a car park even has... a pelican crossing...

I am no longer a "car addict"... Unfortunately the only view of the world that those with power have had is through a windscreen...

When I see what is happening in Europe and beyond and hear what UK politicians often say, I believe that there is hope - than I see what the UK politicians, planners, urban designers and traffic planners do and despair...
At 22:15 on February 26, 2009, Martin Cassini said…
Hello Ian, where did you spring from?
 
 
 

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