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Long-Term Pavement Performance Program, known as LTPP, is a research project supported by the Federal Highway Administration (FHWA) to collect and analyze pavement data in the United States and Canada. Currently, the LTPP acquires the largest road performance database.
History & Measurement
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ltpp data program performance highway research fhwa pavement database transportation shrp sections united states canada road analysis contest trb nrc
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| weather | instance of | the effects of different parameters | 0.80 | text |
| maintenance actions | instance of | the effects of different parameters | 0.80 | text |
| material | instance of | the effects of different parameters | 0.80 | text |
| traffic on performance are studied | instance of | the effects of different parameters | 0.80 | text |
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