# Traffic Impact

## Description

The Traffic Impact feature in the Incident Detection API leverages real-time telematics data, speeds and historical traffic patterns to assess and quantify the impact of incidents on surrounding roadways and segments. 

By analyzing current conditions alongside historical trends, this feature enhances public awareness, supports real-time decisions, and highlights the relevance of each incident. This comprehensive view helps authorities make informed decisions, minimize disruptions, and optimize traffic flow, ultimately improving overall road safety and efficiency.

## Traffic Impact Details 

| Field                       | Type                          | Description                                                                                                                                                                             |
| --------------------------- | ----------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Impact                      | Object                        | Contains detailed information about the traffic impact resulting from an incident                                                                                                       |
| Updated At                  | String                        | The UTC time when the incident impact was last updated.                                                                                                                                 |
| level                       | String                        | <p>The overall impact level of the incident on the roadways </p><ul><li>No Impact </li><li>Negligible Impact </li><li>Low Impact </li><li>Medium Impact </li><li>High Impact </li></ul> |
| Delay In Seconds            | Int                           | The total travel time delay in seconds for all impacted segments.                                                                                                                       |
| Impacted Length in Miles    | Float                         | The total length in miles of all road segments impacted by the incident.                                                                                                                |
| corridors                   | Object                        | A list of corridors (major roadways) impacted by the incident.                                                                                                                          |
| name                        | String                        | The name of the corridor affected by the incident.                                                                                                                                      |
| Corridor Speed Diff Percent | Int                           | The percentage decrease in speed in the corridor.                                                                                                                                       |
| Impacted Segments           | Object                        | A list of specific roadway segments within the corridor that are impacted by the incident.                                                                                              |
| Segment Name                | String                        | The name of the impacted roadway segment.                                                                                                                                               |
| Segment level               | String                        | <p>The level of the impact on the specific segment  </p><ul><li>No Impact </li><li>Low Impact </li><li>Medium Impact </li><li>High Impact </li></ul>                                    |
| Segment Speed Diff Percent  | Int                           | The percentage reduction in speed within the specific segment.                                                                                                                          |
| Length In Miles             | Float                         | The length of the impacted segment in miles.                                                                                                                                            |
| linestring                  |                               |                                                                                                                                                                                         |
| coordinates                 | <p>List\<Double> </p><p> </p> | A series of latitude and longitude pairs that define the path of the impacted segment.                                                                                                  |

## Visualizing Traffic Impact of an Incident

Example showing how an incident affects multiple nearby road segments, with each segment’s speed and delay visualized to illustrate the overall traffic impact.

&#x20;![](/files/nUT8xATHAHc7GgmyBjhM)


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