public function getLineRoutes(
        $externalCoverageId,
        $externalNetworkId,
        $externalLineId
    ) {
        $query = array(
            'api' => 'coverage',
            'parameters' => array(
                'region' => $externalCoverageId,
                'path_filter' => 'networks/'.$externalNetworkId.'/lines/'.$externalLineId,
                'action' => 'routes',
            ),
        );
        $response = $this->navitia_component->call($query);

        return $response->routes;
    }