Send the following on WhatsApp
Continue to ChatTraveltime routing & catchment extension for the QGIS IDF router http://www.johnjasonfallows.com/2016/07/17/traveltime-routing-catchment-extension-for-the-qgis-idf-router/
Traveltime routing & catchment extension for the QGIS IDF router http://www.johnjasonfallows.com/2016/07/17/traveltime-routing-catchment-extension-for-the-qgis-idf-router/