 The national average was 8.7 percent in 2016.Garland averaged 2.04 cars per household in 2016, compared to a national average of 1.8.According to the American Community Survey for 2016 (5-year average), 78.8 percent of Garland residents commuted by driving alone, 13.1 carpooled, 2.5 used public transportation, and .9 percent walked.