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Congestion

Comparing inductive loops and wireless magnetometers for traffic signal control

March 21st 2019 / Michelle C / Links: Congestion

The inductive loop has become so integral to the management of traffic signals that many of us working in the highways industry may simply assume it’s the right solution to provide the vehicle detection needed for the traffic signal control systems VA, MOVA and SCOOT. Yet, having been introduced in the early 1960s technology has moved on and alternatives have been developed that provide options for a traffic signal engineer.

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The many uses of journey time data

February 7th 2019 / Michelle C / Links: Congestion

You can gather journey time data from Bluetooth detectors, ANPR cameras, or it can be crowdsourced. Bluetooth detectors register a MAC address as a driver or passenger with a mobile phone passes a detector; ANPR cameras monitor licence plates; and crowdsourced data is generated by analysing the GPS locations transmitted by mobile phone and satellite navigation systems. The latter is our preferred method of generating journey time data, but why do you need journey time data and what can you use it for?

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When does new technology become part of the mainstream? The downs and ups of wireless vehicle detection

January 31st 2019 / Andrew R / Links: Congestion

Early adopters take the risks of new ideas but see that as a necessary way of keeping ahead of competitors or the marketplace, and they know that where they lead others will soon follow. They also understand that by being ahead of the industry there may be bumps in the road along the adoption cycle as new technology beds in. Every product that involves technology will have unforeseen bugs that need ironing out; even Apple and Samsung sometimes find that being at the cutting edge of their industries comes with some complications. So, when technology comes along that is a disrupter to established ideas scrutiny can be harsh and sometimes even attract defensive and judgmental commentary.

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Why getting the right data infrastructure in place is crucial to the running of our roads

January 11th 2019 / Jemma C / Links: Congestion

Knowing who and what are using the UK’s roads has never been more important. As the world moves towards an autonomous future it’s important to note that we are not starting from scratch in being able to gather the data on how our roads are being utilised, be they strategic, trunk or urban.

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How to set up and manage wireless vehicle detection

December 13th 2018 / Michelle C / Links: Congestion

Regular readers of our blog will be aware of the many benefits of wireless vehicle detection; compared to inductive loops the sensors are much quicker to install, the system negates the need for costly ducting and trenching and keeps the road surface more durable. With the Clearview system now coming with an improved five-year warranty package we thought it would be good to explain how the constituent parts of the system work together and how to configure it for various applications.

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A long-term solution to vehicle detection

September 20th 2018 / Michelle C / Links: Congestion

The annual JCT Symposium is the largest forum for signal engineers, bringing together traffic signal practitioners and manufacturers to foster relationships and drive innovation in signal engineering. A regular highlight in our event’s calendar, last week’s event did not disappoint. We were in attendance to discuss our wireless vehicle detection solution and share the news that we’ve extended the warranty on the entire system from two to five years. The system is expected to last ten years to match the longevity of the road surface while requiring only very little or no maintenance. Recent improvements to the components of the solution have further minimised the maintenance requirements.

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Wireless vehicle detection: more cost-effective, durable and quicker to install than inductive loops

August 2nd 2018 / Michelle C / Links: Congestion

Efficient traffic light control systems are dependent on knowing where vehicles are and where traffic is building on the roads leading up to them. This intelligence relies on vehicle detection data, which can come from inductive loops or magnetometer sensors. The method of vehicle detection makes no difference to the signal control, but can make a big difference to the success of the scheme and the disruption to both road users and residents. Recent Clearview installations highlight the variety or reasons why we recommend wireless vehicle detection using magnetometers.

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Help road users navigate roadworks with journey time information

July 26th 2018 / Michelle C / Links: Congestion

Ask any road user about the state of the road network in the UK and we’re confident you’ll get an answer lamenting the condition of the roads. You’re also likely to get a comment on the frustration caused by endless roadworks. So, road users want a well-maintained network, but don’t want the roadworks that come with this. What are road operators to do?

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Alternative vehicle detection for MIDAS: magnetometer and radar-based detection

June 14th 2018 / Michelle C / Links: Congestion

As the use of MIDAS systems has been expanded over the last twenty years it’s not surprising that alternative vehicle detection technologies have been explored to overcome issues with inductive loops. We consider the two most commonly used alternatives approved to Highways England specification MCH1529 for use in MIDAS systems: magnetometer and microwave/radar-based detection.

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