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Warning System for Pedestrian (WSP)

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Urban Mobility Portal

Explore Connected and Cooperative Mobility

Warning System for Pedestrian (WSP)
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Warning System for Pedestrian (WSP)

 
Warning System for Pedestrian aims to detect risky situations (e.g. road crossing) involving pedestrians, allowing the possibility to warn vehicle drivers. Hence, the warning is based on pedestrian detection. The scope of the service can be extended to cover other Vulnerable Road Users (e.g. cyclists). The service is particularly valuable when the driver is distracted or visibility is poor.

Participating actors in Warning System for Pedestrian include vehicle drivers, who want a safe and comfortable driving experience, Vulnerable Road Users, who want to avoid outrage, service providers, who want to promote their safe travelling services, city municipalities, who want to improve their image and safety of their citizens, traffic operators, who want to decrease the number of accidents, and software providers, who wants to promote their software.

 

The objective of Warning System for Pedestrian is to improve safe and comfortable driving for vehicle drivers.
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Business models

Taking into account various stakeholders’ views, a list of business model blueprints that address current or future challenges of urban areas, together with their operating and value-capture scenarios depicting the inner-workings of the business models, and the exchange of costs-benefits among stakeholders, have been created for the Warning System for Pedestrian service.

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Architecture
ITS-G5

In case of ITS-G5 communication technologies a use case could include no Roadside Units as vehicles are communicating via ETSI ITS-G5. There are two instances of the On-Board Unit component. One is detecting the pedestrian and transmitting the information to the other one which trajectory possibly collides with the Vulnerable Road User. The communication consists of a DENM message with cause code people on the road. The receiving On-Board Unit calculates if there is a possible collision with the Vulnerable Road User. If so the On-Board Unit informs the driver via the cars Human Machine Interface. The On-Board Unit expects a reaction from the driver such as slow down, take a turn or acknowledge the message. If after a time-out no reaction is detected, the safety protocol of the On-Board Unit is activated. In the case of an unsignalized pedestrian crossing (zebra but no traffic lights) a Roadside Unit with Vulnerable Road User detection capabilities can be installed. The Roadside Unit will monitor the trajectories of the Vulnerable Road User with its detection system. The cars indicate their presence with broadcasted CAM messages. The Roadside Unit calculates the trajectories of both car and Vulnerable Road User. In case of a conflict the communication flow uses a DENM message indicating Vulnerable Road User on the road. In the case of a signalized crossing with a Roadside Unit with C-ITS capabilities, the Roadside Unit controlling the traffic lights sends a SPAT or SPATEM message. In the service the information only goes from the Traffic Light Controller to the car. The On-Board Unit uses the information in the SPAT message to decide if the Vulnerable Road User has priority because of the green light. In that case no warning is issued through the Human Machine Interface because the driver is already informed via the status of the traffic lights on its own lane. If the Vulnerable Road User violates the lights, then a warning is issued. If the driver does not react, the safety protocol is activated. The detection of the Vulnerable Road User can come from another On-Board Unit that sends a DENM message. The uses case of a signalized crossing with a Roadside Unit Traffic Light Controller and a Roadside Unit with Vulnerable Road User detection is a combination of the previous two use cases. Here we consider the case where the Traffic Light Controller does not use ITS-G5 communication. The Roadside Unit with Vulnerable Road User detection receives the traffic light status via a wired connection. The vehicle On-Board Unit sends CAM messages to inform about its trajectory that are interpreted by the Roadside Unit. The Roadside Unit sends a DENM message if there is a conflict in the trajectories and the Vulnerable Road User does not have a green light. The On-Board Unit combines the DENM info with its own information to decide if it is necessary to warn the driver through the Human Machine Interface. If so and the driver does not react, the safety protocol is activated.

Cellular

In case of cellular communication technologies with the On-Board Unit the drive activates the service at his service provider. The service provider’s data center allocates a distributed data center local to the vehicles position that will monitor the vehicle. If the vehicles move away from this distributed data center another distributed data center is allocated. The distributed data center receives frequent updates of the vehicle position. This position is send to Roadside Unite with Vulnerable Road User detection that are nearby. The Roadside Unit combines the traffic light status with the detection of Vulnerable Road Users and the vehicle position. If the light is red for the Vulnerable Road User and there is a possible conflict with the vehicle trajectory, the Roadside Unit sends a message to the distributed data center. The distributed data center sends a message to the On-Board Unit via the cellular transport network. Finally, the On-Board Unit receives the message that a Vulnerable Road User is detected on his trajectory. The On-Board Unit warns the driver via the Human Machine Interface. If no reaction is detected, the On-Board Unit activates the safety procedure.

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Architecture schema

Detailed information about Warning System for Pedestrian architecture can be found here.

 

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Suppliers

Suppliers of components and solutions for the Warning System for Pedestrian service include research institutes, such as CERTH-HIT, CTAG, as well as private companies, such as Macq, NeoGLS, IDIADA, Dynniq, Traffic Technique,and Swarco.

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Within the C-MobILE project the Warning System for Pedestrian service is implemented in seven Deployment Sites: Barcelona, Bordeaux, Copenhagen, Newcastle, North Brabant, Thessaloniki, and Vigo.

Invisible
In Bordeaux the Green Priority service is implemented on a defined area containing five successive intersections approaching an hospital. The service provider is NeoGLS. In collaboration with Gertrude, when an RSU detects the presence of an equipped emergency vehicle, it forwards a priority request to the Traffic Light Controller, which will pass the lights to green at this traffic light, but also on the traffic lights ahead, to clear the way for the emergency vehicle until he reaches the hospital.
Barcelona

In Barcelona the Warning System for VRUs service is based on cellular communication technology. This service is active at over 100 intersections around the city. Applus IDIADA is the service provider receiving location data from cyclists riding through a specific, dangerous intersection and informing drivers about their presence via an App.

Invisible
In Bordeaux the Green Priority service is implemented on a defined area containing five successive intersections approaching an hospital. The service provider is NeoGLS. In collaboration with Gertrude, when an RSU detects the presence of an equipped emergency vehicle, it forwards a priority request to the Traffic Light Controller, which will pass the lights to green at this traffic light, but also on the traffic lights ahead, to clear the way for the emergency vehicle until he reaches the hospital.
Bordeaux
In Bordeaux the Warning System for Pedestrian is implemented as a proof of concept service. In this experimentation, a pedestrian carries a miniaturized OBU that broadcasts its position through ITS-G5 communication technology. A driver on a vehicle equipped with an OBU receives an alert about the presence of such pedestrian crossing the road. The service provider for WSP is NeoGLS.
Invisible
In Bordeaux the Green Priority service is implemented on a defined area containing five successive intersections approaching an hospital. The service provider is NeoGLS. In collaboration with Gertrude, when an RSU detects the presence of an equipped emergency vehicle, it forwards a priority request to the Traffic Light Controller, which will pass the lights to green at this traffic light, but also on the traffic lights ahead, to clear the way for the emergency vehicle until he reaches the hospital.
Copenhagen
In Copenhagen the Warning System for Pedestrian service is based on cellular communication technology. The service is intended to warn drivers about the presence of pedestrians crossing a street. The presence of a pedestrian is registered by thermal cameras and sent to the Geo-Messaging server where it is published according to the appropriate standards to allow service providers and App developers providing such information to their users. The service is deployed only at one location as a proof of concept, but it is intended to cover the entire road network of the city.
Invisible
In Bordeaux the Green Priority service is implemented on a defined area containing five successive intersections approaching an hospital. The service provider is NeoGLS. In collaboration with Gertrude, when an RSU detects the presence of an equipped emergency vehicle, it forwards a priority request to the Traffic Light Controller, which will pass the lights to green at this traffic light, but also on the traffic lights ahead, to clear the way for the emergency vehicle until he reaches the hospital.
Newcastle
The Newcastle City Council is implementing a proof of concept of the WSP service. This will provide in vehicle information about the presence of a pedestrian, and alerts pedestrians about the presence of a vehicle. The investigation is carried out at one pedestrian crossing in Newcastle. It is hoped that this will be adopted in the future as part of the cellular bundle.
Invisible
In Bordeaux the Green Priority service is implemented on a defined area containing five successive intersections approaching an hospital. The service provider is NeoGLS. In collaboration with Gertrude, when an RSU detects the presence of an equipped emergency vehicle, it forwards a priority request to the Traffic Light Controller, which will pass the lights to green at this traffic light, but also on the traffic lights ahead, to clear the way for the emergency vehicle until he reaches the hospital.
North Brabant

In North Brabant the Warning System for VRUs service is based on cellular communication technology. A warning system for pedestrians is combined with blind spot detection for cyclists and pedestrians at a signalised intersection in the city of Eindhoven. A camera system by MACQ detects cyclists and pedestrians at this intersection. When these road users violate the red light a warning message is triggered.

Invisible
In Bordeaux the Green Priority service is implemented on a defined area containing five successive intersections approaching an hospital. The service provider is NeoGLS. In collaboration with Gertrude, when an RSU detects the presence of an equipped emergency vehicle, it forwards a priority request to the Traffic Light Controller, which will pass the lights to green at this traffic light, but also on the traffic lights ahead, to clear the way for the emergency vehicle until he reaches the hospital.
Thessaloniki

In Thessaloniki the Warning system for Pedestrian service is implemented as proof of concept in a limited number of intersections. The service is provided by the Hellenic Institute of Transport (CERTH-HIT) through its own App (cmobile.imet.gr) which disseminates the information to the drivers. Information about signalised intersections are provided to CERTH-HIT from the local technical partner Traffic Technique (www.traffictech.gr) which is responsible for their operation.

Invisible
In Bordeaux the Green Priority service is implemented on a defined area containing five successive intersections approaching an hospital. The service provider is NeoGLS. In collaboration with Gertrude, when an RSU detects the presence of an equipped emergency vehicle, it forwards a priority request to the Traffic Light Controller, which will pass the lights to green at this traffic light, but also on the traffic lights ahead, to clear the way for the emergency vehicle until he reaches the hospital.
Vigo
In Vigo the Warning System for Pedestrian service is implemented as proof of concept using cellular communication technology. The service operates at a limited number of intersections and provides drivers using the local App with information about the presence of pedestrians detected by cameras.
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This website has received funding from the European Union’s Horizon 2020 Research and Innovation Programme
under Grant Agreement number 723311.

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