// build routerdb from raw OSM data.
    // check this for more info on RouterDb's: https://github.com/itinero/routing/wiki/RouterDb
    var routerDb = new RouterDb();
    using (var sourceStream = File.OpenRead(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "luxembourg-latest.osm.pbf")))
    {
        routerDb.LoadOsmData(sourceStream, Vehicle.Car);
    }

    // create coder.
    var coder = new Coder(routerDb, new OsmCoderProfile());

    // build a line location from a shortest path.
    var line = coder.BuildLine(new Itinero.LocalGeo.Coordinate(49.67218282319583f, 6.142280101776122f),
        new Itinero.LocalGeo.Coordinate(49.67776489459803f, 6.1342549324035645f));

    // encode this location.
    var encoded = coder.Encode(line);

    // decode this location.
    var decodedLine = coder.Decode(encoded) as ReferencedLine;