1. Digital Highway Measurement System Qatar Ministry of Transportation August 15, 2007 Dr. Kunik Lee Chief Safety Scientist, Office of Safety R&D TFHRC, FHWA, US DOT 6300 Georgetown, McLean, VA 22101

2. 2 A.How the R&D Offices identify and address Current and Future Research Needs A.1. Integrated Safety System Over 360 Fatality Causes will be reduced systematically through Four Strategic Safety Research Themes with considerations of three major safety components, Driver, Vehicle, and Infrastructure Vehicle to Road Human to Road US DOT FHWA, NHTSA, FMCSA US DOT FHWA, NHTSA, FMCSA Human to Vehicle Emergency Response Vehicle Safety

3. 3 A.2. Strategic Research to Technical Transfer: Technology Application, Engineering Design, and Construction Intelligence Function Scanning Convening Applied Research Roadway Safety Roadside Safety Human-Centered Systems Safety Management Safety Focus Areas Roadway Departure Speed Management Vehicle Collision At Intersections Ped Collision With Vehicles Strategic Research Interests Integrated Safety System Detect & Avoid Vehicle Collisions Mechanics between The vehicle and Road Human Factors: Roadways to Driver Advanced Research Research Topic Priority Research Quality Process for Research Effectiveness Research Topics Targeted Future Research NANO + Mechanics NANO + Chemistry (Road Environment) ITS: Sensing & Telecommunication Other Focus Areas

4. 4 A. How the R&D Offices identify and address Current and Future Research Needs A.3. Advanced Research in the Integrated Safety System DHM System - Static Features- Integrated Safety System - Driver, Vehicle, & Infrastructure - Advanced Research - Four Strategic Research Themes -

5. 5 B. Digital Highway Measurement System B.1. Data Collection Functions - Features on, above, and under the ground -

6. 6 B. Digital Highway Measurement System B.2. DHM System Technology  Locational Technology (information identity) HA ND GPS, Local GPS, Reference Coordinates System Inertia Navigation Unit  Sensing Technology (raw information) Scientific Camera, Scanning Laser, Infrared Sensor, etc.  Processing Technology (refined information)  Integration Technology (information management)  Post-Processing Technology (modification for specific usage)

7. 7 B. Digital Highway Measurement System B.3. Technology vs. Functions

8. 8 B. Digital Highway Measurement System B.4. Phase 1 Sensing System

9. 9  Sound Intensity Pressure Device (SIPD)  Ground Penetrating Radar (GPR)  LIDAR  Infrared Sign Retro-Reflectivity (IR)  Downward facing Camera for Pavements IR GPR LIDAR SIPD Camera B. Digital Highway Measurement System B.5. Phase 2 Sensing System

10. 10 B. Digital Highway Measurement System B.6. Long Term Measurement Research

11. 11 Integrated Data Collection at Highway Speed - Features On, Over, & Under the Ground Accuracy & Reliability - Positioning (without GPS), Retro-visibility, Range, etc. Qualitative Features - Synchronization and Fusion of sub-system outputs - Signal Processing and Pattern Recognition on sensor base, including image processing in stereoscopy Quantitative Aspects - Increased repeatability, reliability, and resolution B. Digital Highway Measurement System B.7. Technical Advantages

12. 12 C. Advanced DHM System Technology - Future Functional System Development - Advancing with Current Technology: Advancing with Current Technology: 1. Complete Integration of Research Algorithms 2. to address 17 current DHM-Functions 3. and 5 additional DHM and 9 new GPR functions 4. including Image Processing, Software integration, etc. To develop Next-Generation Technology To develop Next-Generation Technology 1. Paradigm Shift in state-of-the-practice DHM-functions 2. Future-added Functions in the concept of ISS 3. Based on latest hardware concepts and analysis theories.

13. 13 D. Applications of the DHM System Technology D.1. Technical Transfer: - Management, Engineering Design, and Construction -  Asset Management a. Build Planning and Repair: Road Geometry, Pavement, Signs, & Signals b. Pavement Inspection: Failed Road and Prediction of Road Failure  Research Information a. Road Design Engineering (Planning, Engineering, & Construction) Road Geometry, Pavement Life and Marking, Traffic Density, Intersection Safety, Driver Visibility, Roadway Signs, Turn Signals, Vehicle Stability on the road, Driving Simulator, etc. b. Pavement Conditions (Planning, Inspection, & Repair) Pavement Life with Temperature and Sound Pressure Vehicle Stability with various Frictions between the road and the tire c. Underground Information: Pavement Thickness, Underground Hardware

14. 14 D. Applications of the DHM System Technology D.2. Systems for Technology Transfer  Pooled Fund Research a. Research Activities to improve DHM System Technology b. Road Data Collection & Analysis: 1) Infrastructure Maintenance, Condition improvement, Failure prediction, and Design and Construction 2) Optimization of Driving Conditions  Joint Program Development with Contracts a. Highway Safety Research b. Infrastructure Engineering, Design, and Build  License Agreement a. Commercialization of Specific Technology b. Usage of Specific Research Tools such as the GPR System