post
/api/v2/regional-travel-metrics/observed-countsPython SDK method:
client.rtm.observed_counts(params).run()Start observed counts job
Creates a job to generate an observed counts analysis. Returns the number of observed vehicle passes through road segments in the selected zones for the date/time window, with vehicle class, vocation, and fuel-type breakdowns. Set generateTimeSeries to true to produce time-series breakdowns.
Altitude Help Center — getObservedCountsRequest Body
Observed counts analysis parameters.
application/json: object
| Name | Type | Input Shape | Values | Description | Value Required |
|---|---|---|---|---|---|
aggregateAllZones | boolean | - | - | When true, results are aggregated across all selected zones into a single row. | N |
aggregationUnits | array<AggregationUnit> | - | hour, dayofweek, week, month, daytype, daytypehour, hourofday, day | Time-series dimensions to generate when generateTimeSeries is true. An empty array generates all available units. | N |
dateFrom | string | - | - | First date of the analysis range, formatted as yyyy-mm-dd. | Y |
dateTo | string | - | - | Last date of the analysis range (inclusive), formatted as yyyy-mm-dd. | Y |
daysOfWeek | array<DayOfWeek> | - | 1, 2, 3, 4, 5, 6, 7 | Days of the week to include (1=Sunday … 7=Saturday). An empty array includes all days. | N |
excludeServiceRoads | boolean | - | - | When true, service road categories are excluded from results. Defaults to true when omitted. | N |
fuelTypes | array<FuelType> | - | diesel, electric, flexible, gasoline, hybrid, other, unknown | Fuel types to include. An empty array includes all fuel types. | N |
generateTimeSeries | boolean | - | - | When true, a time-series breakdown child analysis is generated for each aggregation unit. | Y |
industries | array<IndustryGroup> | - | agriculture, mining, utilities, construction, manufacturing, wholesale, retail, transportation_and_warehousing, information_and_cultural, finance_and_insurance, real_estate, science_and_technology, management, administrative_and_support, education, health_care, arts_and_entertainment, accommodation_and_food, public_administration, other_services, unclassified | Named industry IDs from GET /api/v2/filters/industries (e.g. 'manufacturing', 'retail'). Resolved to NAICS codes at query time and combined with any naics values. Leave both industries and naics empty to include all industries. | N |
isDirectional | boolean | - | - | When true, one record is returned per direction of travel; when false, results are averaged across both directions. | Y |
isMetric | boolean | - | - | When true, distance values are returned in kilometres; when false, in miles. Defaults to the isMetric setting on the authenticated user's profile when omitted. | N |
naics | array<integer (int64)> | - | - | Explicit raw NAICS integer codes to filter by. Combined with any industries values. Leave both naics and industries empty to include all industries. | N |
roadTypes | array<RoadType> | - | living_street, motorway, motorway_link, primary, primary_link, residential, road, secondary, secondary_link, service, tertiary, tertiary_link, trunk, trunk_link, unclassified | OSM road types to include. An empty array includes all road types. | N |
timeFrom | string | - | - | Start of the time-of-day window, formatted as hh:mm:ss. | Y |
timeTo | string | - | - | End of the time-of-day window, formatted as hh:mm:ss.999. | Y |
vehicleClassIds | array<string> | - | - | Vehicle class filter IDs from GET /api/v2/filters/vehicle-classes. IDs must use the scheme_vehicleClassIndex_categoryIndex format and share one scheme. An empty array includes all vehicle classes. | N |
vehicleClassSchemeId | integer | - | - | Vehicle classification scheme, from 1 through 5. Defaults to 2 (FHWA/GVWR) when omitted. | N |
vehicleClasses | array<object> | vehicleType: string; weightClass: string | - | Vehicle class filters. Use an empty array to include all vehicle classes. | N |
vocations | array<VocationID> | - | 1, 2, 3, 4, 5 | Vocation IDs from GET /api/v2/filters/vocations. An empty array includes all vocations. | N |
zoneIds | array<string> | - | - | Encoded zone ID strings. Provide exactly one of zoneIds or zones (not both). | N |
zones | array<object> | code: string; iso_3166_2: string; type: string | - | Zone objects with code, type, and iso_3166_2. Provide exactly one of zones or zoneIds (not both). | N |
Examples
County observed counts request
Translated from the v1 getObservedCounts sample.
{
"dateFrom": "2026-01-01",
"dateTo": "2026-01-31",
"generateTimeSeries": false,
"isDirectional": true,
"isMetric": false,
"timeFrom": "00:00:00",
"timeTo": "23:59:59.999",
"zones": [
{
"code": "13121",
"iso_3166_2": "US-GA",
"type": "County"
}
]
}Success Responses
202 response: object
Job accepted and queued for processing. Poll the location header URL to check status.
| Name | Type | Description |
|---|---|---|
error | object | Details about why the job failed (RFC 7807 format), or null if it succeeded. |
id | string | Unique job identifier. |
links | object | Navigation URLs for polling and result retrieval. |
status | string | Current job lifecycle state: PENDING, QUEUED, RUNNING, DONE, FAILED, CANCELED, or NOT_FOUND. |
Response Errors
| HTTP Status Code | Reason |
|---|---|
| 400 | The request body or parameters are invalid. |
| 401 | Authentication is required or the provided credentials are invalid. |
| 403 | The authenticated user lacks permission to perform this operation. |
| 409 | The operation conflicts with the current state of the resource. |
| 422 | The request is syntactically valid but semantically cannot be processed. |
| 429 | The request rate limit has been exceeded. |
| 500 | An unexpected server error occurred. |