| 1 | The center shall collect probe data including traffic and road conditions from vehicles via roadside beacon field elements; the data may be aggregated and initial link time calculations performed in the field. |
| 2 | The center shall collect road condition data from probe-equipped transit vehicles via transit management centers; the data may be aggregated and preliminarily processed at the sending center. |
| 3 | The center shall collect traffic data from probe-equipped emergency vehicles via emergency management centers; the data may be aggregated and initial link time calculations performed at the sending center. |
| 4 | The center shall collect traffic data from traveler information centers based on data from their subscriber vehicles; the data may be aggregated and initial link time calculations performed at the sending center. |
| 5 | The center shall collect traffic data from toll administrative centers containing journey times between toll collection points for those vehicles equipped for electronic toll collection; the data may be aggregated and processed at the sending center. |
| 6 | The center shall assimilate current and forecast traffic and road conditions based on collected probe data and distribute to other centers for dissemination to travelers. |
| 7 | The center shall collect operational status for the roadside probe data collection equipment. |
| 8 | The center shall collect fault data for the roadside probe data collection equipment for repair. |
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