This is my code and it updates with traffic as expected.

{ module: 'MMM-MyCommute', position: 'top_left', header: 'Commute', classes: 'default everyone', config: { apikey: 'xxxxxxx', origin: 'xxxxxx', moderateTimeThreshold: '1.15', poorTimeThreshold: '1.3', showSummary: true, destinations: [ { destination: 'xxxxxxx', label: 'Work', mode: 'driving', alternatives: true, startTime: '05:00', endTime: '09:00', hideDays: [0,2,5,6], color: '#9b59b6', }, { destination: 'xxxxxx', label: 'xxxxxx', mode: 'driving', alternatives: true, startTime: '05:00', endTime: '10:00', hideDays: [0,1,2,3,4,6], color: '#33B5FF', }, { destination: 'xxxxxx', label: 'xxxxxxx', mode: 'driving', alternatives: true, startTime: '05:00', endTime: '10:00', hideDays: [0,1,2,3,4,5], color: '#9b59b6', }, ] } },