第四章行车隧道及管制区

交通流量—城门隧道

年份 交通量（辆次）
东行 西行 双程合计 平均每日
2011 8,752,668 8,785,962 17,538,630 48,051
2012 8,902,780 8,989,772 17,892,552 48,887
2013 9,062,911 9,172,062 18,234,973 49,959
2014 9,265,758 9,378,078 18,643,836 51,079
2015 9,551,334 9,664,297 19,215,631 52,646
2016 9,743,678 9,881,296 19,624,974 53,620
2017 9,835,981 9,964,411 19,800,392 54,248
2018 9,778,002 9,957,439 19,735,441 54,070
2019 9,588,900 9,786,315 19,375,215 53,083
2020 8,943,812 9,229,601 18,173,413 49,654