Travel Time (Isochrone & Surface) API

Contact Info



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.


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

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

API parameters

Isochrone API


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

Travel time surface API


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