Leaflet Try It Now Traffic Layers

var mapLayer = MQ.mapLayer(),
                        map;
                map = L.map('map', {
                    layers: mapLayer,
                    center: [ 40.731701, -73.993411 ],
                    zoom: 12
                });
                L.control.layers({
                    'Map': mapLayer,
                    'Satellite': MQ.satelliteLayer(),
                    'Hybrid': MQ.hybridLayer()
                }, {
                    'Traffic Flow': MQ.trafficLayer({layers: ['flow']}),
                    'Traffic Incidents': MQ.trafficLayer({layers: ['incidents']})
                }).addTo(map)

};
        </script>
    </head>

Traffic Map with Layer Control