1. Vehicles - Infrastructure Information Exchange to Improve Road Safety

2. Objectives : 1.To build a global concept of vehicles infrastructure information exchange system  efficient for safety 2.To prepare its implementation (in terms of technology, credibility and acceptability)

3. Vehicles - Infrastructure Information Exchange to Improve Road Safety Traffic info (works, detours, accidents…) Regional meteo forecast On board maps Radio (107.7) on motorway From today

4. Vehicles - Infrastructure Information Exchange to Improve Road Safety Road geometry (curves…) Wearing Course Type Skid resistance Unevenness… Regional meteo Mass distribution Tires condition Brake performance … and, also local meteo (rain, fog…) Roaddatabase Towards tomorrow

5. Vehicles - Infrastructure Information Exchange to Improve Road Safety End of porous asphalt 250m ahead + rain End of porous asphalt 250m ahead + rain Be careful in over passing trucks… Be careful in over passing trucks… Roaddatabase My position Appropriate infra info Example n° 1

6. Vehicles - Infrastructure Information Exchange to Improve Road Safety Roaddatabase Reduction of skid resistance ahead + rain Reduction of skid resistance ahead + rain Reduce your speed… Reduce your speed… My position Appropriate infra info Example n° 2

7. Vehicles - Infrastructure Information Exchange to Improve Road Safety Roaddatabase Double curves ahead Double curves ahead Reduce your speed… Reduce your speed… Adapt your approach Adapt your approach My position Appropriate infra info Example n° 3

8. Vehicles - Infrastructure Information Exchange to Improve Road Safety Roaddatabase Bad weather ahead, visibility reduction Bad weather ahead, visibility reduction My position Appropriate infra info Example n° 4 Reduce your speed… Reduce your speed…

9. Vehicles - Infrastructure Information Exchange to Improve Road Safety Distributed control Control zone A Control zone B Control zone C Infra-bus

10. Vehicles - Infrastructure Information Exchange to Improve Road Safety Intelligent car GPS Rain detector Fog detector Skid resistance assessment

11. Vehicles - Infrastructure Information Exchange to Improve Road Safety Information checking Statisticalvalidation No statistical validation

12. Vehicles - Infrastructure Information Exchange to Improve Road Safety RoadDataBase Infraserver Meteostation Assistanceteams Information checking

13. Vehicles - Infrastructure Information Exchange to Improve Road Safety Roaddatabase Data Collection Data Storage Data Processing ? Some questions

14. Vehicles - Infrastructure Information Exchange to Improve Road Safety Roaddatabase Acceptability :  Adequate presentation of information to driver ? Some questions

15. Vehicles - Infrastructure Information Exchange to Improve Road Safety Roaddatabase Liabilities of road authorities Business plan ? Some questions

16. Vehicles - Infrastructure Information Exchange to Improve Road Safety Other applications Roaddatabase Vertical signing Vertical signing My position My destination Appropriate infra info Virtual signing combined with route definition Virtual signing combined with route definition