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Travel Time (Isochrone & Surface) API

Contact Info

  • Entur, Norway

Changelog

  • 2022-05-09 Initial implementation

Documentation

The API produces a snapshot of travel time form a single place to places around it. The results can be fetched either as a set of isochrones or a raster map.

Configuration

The feature must be enabled in otp-config.json as follows:

// otp-config.json
{
    "otpFeatures" : {
        "SandboxAPITravelTime" : true
    }
}

API parameters

  • location Origin of the search, can be either latitude,longitude or a stop id
  • time Departure time as a ISO-8601 time and date (example 2023-04-24T15:40:12+02:00). The default value is the current time.
  • cutoff The maximum travel duration as a ISO-8601 duration. The PT can be dropped to simplify the value. This parameter can be given multiple times to include multiple isochrones in a single request. The default value is one hour.
  • modes A list of travel modes. WALK is not implemented, use WALK, TRANSIT instead.
  • arriveBy Set to false when searching from the location and true when searching to the location

Isochrone API

/otp/traveltime/isochrone

Results is the travel time boundaries at the cutoff travel time.

Travel time surface API

/otp/traveltime/surface

The travel time as a GeoTIFF raster file. The file has a single 32-bit int band, which contains the travel time in seconds.

Example Request

http://localhost:8080/otp/traveltime/isochrone?batch=true&location=52.499959,13.388803&time=2023-04-12T10:19:03%2B02:00&modes=WALK,TRANSIT&arriveBy=false&cutoff=30M17S