As schools were closed their mega-school replacements in outlying areas generated additional traffic; the number of cars on US roads between 7:15 and 8:15 a.m. increases 30% during the school year.
由于学校关闭了它们主校区，转移到了边远地区，这便产生了额外的交通; 在7:15到8:15之间，美国道路上车辆的数量在学年时期增加了30％。