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Vehicles - Infrastructure Information Exchange to Improve Road Safety. Vehicles - Infrastructure Information Exchange to Improve Road Safety. Objectives : To build a global concept of vehicles infrastructure information exchange system efficient for safety
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Vehicles - Infrastructure Information Exchange to Improve Road Safety
Vehicles - Infrastructure Information Exchange to Improve Road Safety • Objectives : • To build a global concept of vehicles infrastructure information exchange system efficient for safety • To prepare its implementation (in terms of technology, credibility and acceptability)
Vehicles - Infrastructure Information Exchange to Improve Road Safety From today Traffic info (works, detours, accidents…) Regional meteo forecast On board maps Radio (107.7) on motorway
Vehicles - Infrastructure Information Exchange to Improve Road Safety Towards tomorrow Road data base Mass distribution Tires condition Brake performance … Road geometry (curves…) Wearing Course Type Skid resistance Unevenness … Regional meteo and, also local meteo (rain, fog…)
Vehicles - Infrastructure Information Exchange to Improve Road Safety Example n° 1 Road data base My position • Be careful in over passing trucks… • End of porous asphalt 250m ahead + rain Appropriate infra info
Vehicles - Infrastructure Information Exchange to Improve Road Safety Example n° 2 Road data base My position • Reduce your speed… • Reduction of skid resistance ahead + rain Appropriate infra info
Vehicles - Infrastructure Information Exchange to Improve Road Safety Example n° 3 Road data base My position • Reduce your speed… • Adapt your approach • Double curves ahead Appropriate infra info
Vehicles - Infrastructure Information Exchange to Improve Road Safety Example n° 4 Road data base My position • Reduce your speed… • Bad weather ahead, visibility reduction Appropriate infra info
Vehicles - Infrastructure Information Exchange to Improve Road Safety Distributed control Infra-bus Control zone C Control zone A Control zone B
Vehicles - Infrastructure Information Exchange to Improve Road Safety Intelligent car Rain detector GPS Fog detector Skid resistance assessment
Vehicles - Infrastructure Information Exchange to Improve Road Safety Information checking Statistical validation No statistical validation
Vehicles - Infrastructure Information Exchange to Improve Road Safety Road Data Base Information checking Infra server Meteo station Assistance teams
Vehicles - Infrastructure Information Exchange to Improve Road Safety Some questions Data Collection Data Storage Data Processing ? Road data base
Vehicles - Infrastructure Information Exchange to Improve Road Safety Some questions Acceptability : Adequate presentation of information to driver ? Road data base
Vehicles - Infrastructure Information Exchange to Improve Road Safety Some questions Liabilities of road authorities Business plan ? Road data base
Vehicles - Infrastructure Information Exchange to Improve Road Safety Other applications Road data base My position My destination • Virtual signing combined with route definition • Vertical signing Appropriate infra info