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Travel Time Matrix API
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/v4/h3/fast

H3 Fast
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Calculate the travel times to all H3 cells within a travel time catchment area. Return the max, min, and mean travel time for each cell.

This is a higher performance version of the /h3 endpoint, but with fewer configurable parameters and more limited geographic coverage.

Request Body
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H3 resolution of results to be returned, values can be in range [6, 12]. Limitations can be found here.

array[string]

Properties to be returned for each H3 hex. Possible values: min, max, mean.

Searches based on arrival time. Arrive at a destination or multiple destinations at no later than given time.

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This returns the reachable area for journeys arriving at the chosen arrival location. You can define a maximum of 10 searches.

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Used to identify each search in the results array. Must be unique among all searches.

Coordinates of the arrival location. Use either latitude and longitude, or the centroid of an h3 cell.

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Possible values: weekday_morning

Maximum journey time (in seconds).

Maximum value depends on resolution parameter.

Limitations can be found here.

To discuss increasing this, please contact hello@traveltime.com.

Adjusts the process of looking up the nearest roads from the departure / arrival points.

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This returns the reachable area for journeys departing from the chosen departure location. You can define a maximum of 10 searches.

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array[object]

Define the unions of shapes that are the results of previously defined departure or arrival searches. You can define a maximum of 10 unions per request.

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string

Used to identify each search in the results array. Must be unique among all searches.

array[string]

A list of the search ids referring to the shapes to be used for calculating the union.

array[object]

Define the intersections of shapes that are the results of previously defined departure or arrival searches. You can define a maximum of 10 intersections per request.

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Used to identify each search in the results array. Must be unique among all searches.

A list of the search ids referring to the shapes to be used for calculating the intersection.

Limits of resolution and traveltime
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ResolutionTravel time
610800 (3 hr)
710800 (3 hr)
810800 (3 hr)
910800 (3 hr)
105400 (90 min)
112700 (45 min)
121800 (30 min)

Response Body
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array[object]
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array[object]
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Examples
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Request
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Response Body
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Request With Unions and Intersections
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Response Body
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Response

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