Portal de Murcia
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Jos Ballesta: "For the first time in Murcia, environmental sensors located in strategic points of the city will provide real-time information on air quality and traffic congestion."
Based on this information, actions that allow counteracting pollution sources caused by traffic and thus maintaining air quality, reducing pollution, can be selected.
The intelligent mobility management system 'Claire' (Clean Air Enviroment) already has two environmental sensors installed in Primo de Rivera and Gran Va.
The mayor of Murcia, Jos Ballesta, together with the Councilor for Youth and Sustainable Mobility, Rebeca Prez, today presented the new intelligent mobility management system 'Claire' (Clean Air Enviroment), which will reduce traffic pollution and Pollutant emissions in Murcia, through the optimization of mobility and traffic decongestion.
"For the first time in the municipality of Murcia, environmental sensors located in strategic points of the city, will provide real-time information on air quality, which will allow us to make decisions on traffic regulation," said Jos Ballesta, who said that “these decisions will consist of actions such as the regulation changes of traffic light cycles and intersections when there is a traffic jam, the establishment of alternative routes, preference of public transport, as well as notices and recommendations in real time on the information panels of the road network, ”reported Jos Ballesta.
The City Council has already installed two of the first sensors that will be part of this intelligent network, with which the previous tests will be initiated to establish, together with the Environment service, the measurement parameters that will activate the corresponding control actions.
They are located on Avenida Primo de Rivera and on Gran Va (at the height of Madre de Dios street).
These sensors will measure the values of the polluting particles emitted by combustion vehicles, so that particle quantities such as carbon monoxide (CO), nitrogen oxide (NOx) or nitrogen dioxide (NO2) - will become one more variable to be introduced in the decision rules that make up the coordination algorithms of the traffic light network of the city of Murcia, for the benefit of air quality.
Based on this information, traffic regulation actions that allow, at all times, to counteract pollution sources caused by traffic and maintain air quality, reducing pollution, the emission of greenhouse gases, can be selected and energy consumption.
Location of environmental sensors
The rest of the environmental sensors are expected to be installed at the following points, taking advantage of the location of the existing traffic regulators:
1. Cross Ten of Revenga - Isaac Albniz.
2. Cross Juan Carlos I Avenue - Galileo Street.
3. Circular crossing.
4. Cross John XXIII.
5. Cross Avenue of Fame-Gloria Street.
6. Avenue of Fame - Divine Teacher College.
The CLAIRE (Clean Air Enviroment) tool allows mobility management based on environmental information.
This system therefore has equipment capable of taking environmental data, treating this data to convert it into interpretable environmental information, disseminating information to road users and the general public, carrying out mobility management based on environmental information and gather statistical information to improve the functioning of the system.
Control from CEUS
The CLAIR Smart System, which will be managed from the CEUS - the brain of 'Murcia Smart City', located in Abenarabi-, is made up of the following components:
-The Environmental Sensors.
-The Traffic Regulators that already exist and allow the integration of environmental sensors.
-The Control System, which is responsible for receiving environmental data, processing them to convert them into environmental information, disseminating them and carrying out the Mobility control based on them.
-The Variable Information Panels that show users orders and recommendations based on the environmental situation.
-The Strategic Control, which is responsible for receiving environmental and traffic information, identify situations defined by traffic and environmental variables, to select the most appropriate control strategy.
-The Statistical Database that integrates environmental information with the rest of the mobility information.
Operating protocol
1. Alarm event: detection of the high value of contaminant in a specific location.
The traffic operator receives from the sensor through the event manager of the Distributed Urban Traffic Control System, a warning or alarm with the indicated incidence.
2. Verification.
3. Identification of the origin.
Identification of the main focus of the flow that is causing traffic accumulation.
4. Selection and / or design of strategy to implement.
Based on the information obtained in the process: location of the event, flow or determinant flows and the rest of the variables that may condition the programming;
preference for public transport, traffic lights with discounters, etc., the operator will select one of the previously configured strategies to solve the incidence or design a new one to reduce the persistence of the polluting value.
The strategy to be implemented will generally consist of evacuating the congested area and managing the determining flows at source, so that the city is able to assume them while maintaining permissible levels of pollution.
5. Strategy execution.
6. Monitoring and management of the strategy.
7. Revocation of the strategy.
Once the balance is restored, the operator will 'free' the executed orders, returning the regulation of the traffic made to its initial situation.
More than 80 cameras and 319 measuring points
In addition to this new system, the Traffic Control Room, which, as already indicated, will be transferred to the CEUS, currently has 81 cameras distributed by the municipality: 71 motorized cameras for monitoring the traffic status and 10 fixed ones installed in the tunnels of Atalayas (6) and Plaza de Castilla (4).
To this we must add the 50 new cameras in 15 intersections of the municipality that will soon facilitate the collection of information and the most efficient traffic management within the 'Murcia Smart City' project.
The Traffic Control Room also has 319 measuring points or turns that allow to know the intensity of traffic in real time, in addition to the incidents transferred by Local Police and the citizens themselves.
In the last year, more than 68,000 actions were carried out, a daily average of 220 corresponding to regulatory changes at a specific intersection when traffic jams or traffic light cycle changes are registered (depending on whether there is little traffic and what is intended to increase is the rotation to reduce waiting times or if, on the contrary, there are traffic increases to increase the capacity to allow the entry or exit of flows at rush hour).
'Clean Air' strategy
This action is part of the 'Clean Air' Strategy promoted by the Government of Jos Ballesta and includes actions such as the gradual renewal of the bus fleet and the acquisition of new vehicles powered by biofuels, hybrids or electric vehicles, creation of deterrent parking lots, controls newspapers of the emissions of gases of vehicles in circulation, together with the Ecological Patrol of the Local Police (more than 1,000 vehicles per year), pedestrianization of 252,000 m2 and 4 areas of restricted traffic (267 streets), the Greenway, new network of bike lanes, Electric Vehicle strategy, 2030 Forest Plan and sustainable lighting, among other measures.
Source: Ayuntamiento de Murcia
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