The Talking Traffic chain makes optimal use of existing facilities. Existing traffic lights are converted to intelligent traffic lights, information is offered via the smartphone or built-in navigation, and for data exchange we use the existing telecom network. This ensures that investments are relatively low and that any motorist with a smartphone can use the services.
Within Talking Traffic, we are developing information services for traffic participants. This information must be offered in the same way everywhere. As a traffic participant you don't want to change apps every time you cross a provincial or national border. That is why standards have been created: agreements that ensure that the same way of working is used everywhere. For example, we work with international standards for data exchange. This way, road users can also use comparable services across the border.
A special architecture was designed for the rollout of intelligent traffic lights, ensuring that software can communicate directly and unhindered with all forms of hardware. Road operators can thus purchase hardware from one provider and software from another. Products from different suppliers can function in combination without problems thanks to the standards. In this way, traffic lights can be controlled flexibly and optimally.
At the same time, road managers from cities, provinces and the Department of Public Works are working on uniform "rules of the game" to regulate intersections, for example. This reduces costs and ensures optimal knowledge sharing among governments and between the market and government.
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Our cities are becoming increasingly crowded. With that increasing density, the challenge of keeping cities safe and livable becomes ever greater. Improving traffic flow, monitoring air quality and digitizing mobility: just a few of the issues that many road managers are facing. Talking Traffic's services provide you with a toolbox to tackle these kinds of issues.
An important development within Talking Traffic is that road users not only communicate with each other, but also with the infrastructure. And that with a delay of a maximum of one second. Within Talking Traffic, intelligent traffic control systems (iVRIs) know which cars, cyclists and buses are approaching them. This makes it possible to coordinate traffic flows more efficiently with dynamic traffic light controls. iVRIs can also 'prioritize' and give certain traffic flows priority, i.e. green light earlier or longer, over others. It saves braking and acceleration and therefore time, fuel and CO2 emissions, as well as money. It has been calculated that there is an annual social cost of €90 million because not all traffic lights are adjusted often enough. With new iVRIs, this is done continuously and automatically. Thus, the investment quickly pays for itself.
Traffic light information does not require a new car: any car of any make, any navigation system and any smartphone can be connected to any intelligent traffic control system from any supplier. All technology and interfaces conform to international ETSI standards (SPaT, MAP, CAM, SRM, SSM, DENM). Technology and interfaces are internationally ETSI standardized and therefore independent of suppliers of iVRIs, smartphones and cars.
Five characteristics of an iVRI:
The traffic light is connected through the regular cellular telecommunications network;
Technology and controls (hardware and software) are decoupled
Schemes are maximally tailored to real-time traffic conditions
An iVRI provides data (such as time to green) for information services (for road users);
UDAP (Urban Data Access Platform) is the platform that acts as an acquisition point (a kind of "pivot point" in the data chain) for the extremely fast and reliable transfer of data from iVRIs to road users and vice versa, among other things. All intelligent traffic control systems (iVRIs), but also intelligent pollers, for example, make use of the platform.
UDAP is part of the National Mobility Data Access Point, where NDW, also part of it, performs operational contract management on behalf of the ministry towards the supplier, which manages the UDAP.
Thanks to the data exchange via UDAP, further added value of iVRIs can arise: services (use cases) aimed at informing road users, but also prioritizing (e.g. priority at traffic lights for emergency and emergency services, public transport and freight traffic) and optimizing traffic flow.
The core function of UDAP is the very fast (in milliseconds) and reliable exchange of iVRI data and vehicle movement data. In addition, UDAP offers four important additional functions: Quality control: If an organization, government or company, wants to connect a product to UDAP, it first automatically checks whether organization and product meet the relevant connection requirements, such as the availability of a valid iVRI certificate or security certificate for the data connection to be used.
UDAP continuously and automatically monitors exactly which data is exchanged between which parties and the quality of this data. UDAP uses the national standards for data exchange and quality agreements.
UDAP makes it possible to connect not only iVRIs but also other objects with which very fast data exchange is desired. These include pollers (movable bollards in the road surface), intelligent tire pressure gauges and intelligent height detection meters.
While UDAP provides data exchange, its capabilities go many times further. For example, UDAP creates a 'dashboard' with an enormous amount of automated 'checks and balances', such as a series of tests to determine whether a vehicle is authorized, and real-time reports on traffic flows.
Within Talking Traffic, useful apps have been developed that you can use while your phone is in a smartphone holder. These apps translate the released data into personalized advice that helps road users navigate traffic safely and efficiently. For example, the services provide individual speed recommendations and alerts for dangerous situations. A driver can receive alerts for traffic jam tailbacks, sudden braking, slippery or a local fog bank, accidents and roadworks. In addition, the driver can receive advice on available parking spaces nearby and advice on the best route in case there are road works or an accident has occurred. The continuous guidance via navigation and support on the road offers more comfort and ensures that cars and trucks drive more economically, which is good for the wallet and for the environment.
Society is changing rapidly. The impact of ongoing innovations driven by information technology is felt daily. New solutions, techniques and services are being made available at a rapid pace. Smartphone usage is well above 80% in the Netherlands. Connectivity has become a basic need. This connectivity is also used in traffic: wireless communication makes it possible to obtain more information from the immediate car in front, or from traffic lights, for example. This kind of data is shared through the cloud. Studies show that 10 to 25 percent improvements in travel times, fuel consumption, emissions and/or road safety are possible. For road users, this means more comfort, less travel time, more safety and lower costs.
The Talking Traffic chain uses cloud services and connectivity to deploy smart mobility solutions. Cloud services transport and enrich relevant data from companies and governments, combining it with data from other sources. Think of enriching data about extreme weather conditions or an accident with a precise indication of its location. This makes it possible to provide tailored information to each user: at the time that is relevant to them and based on their direction of travel, route, speed and the means of transport being used.
Within the Talking Traffic chain, in which iVRI suppliers, cloud service providers, information service developers and governments work closely together, the iVRI is an indispensable link. Cloud services can combine the new iVRI data with all kinds of other data, improving current applications and developing new ones. In turn, service providers can advise customers much more accurately via information services about the fastest route and advisory speeds at traffic lights,tailored to the specific road user.
