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U.S. Department of Transportation
Triscallion_Black
   OPEN ROAD PERFORMANCE TESTING
P1010160 P1010356 P1010130
Urban Canyon
Freeway Open Sky
Major Throughway
Mountainous Terrain
Local Roads – Tree Cover
Test Types
§Open-road testing
ðUrban, rural and freeway driving with eight (8) vehicles
§Targeted testing
ðPerformed as needed in specifically identified challenging locations
§Closed-road testing
ðEvaluate and refine warning timing for certain system features (e.g., IMA, DNPW)
Performance Metrics
§GPS solution availability and quality
§Absolute GPS positioning error
§Relative GPS positioning error
§Communications Performance
§Application Level Performance