Congestion defined as ratio of peak
to non-peak travel times
2.0
2017-2019
1.8
1.6
1.4
2020
1.2
1.0
4 wks
before
2 wks
before
Chinese
New Year
2 wks
after
4 wks
after
6 wks
after
Congestion defined as ratio of peak to non-peak travel times
2.0
2017-2019
1.8
1.6
1.4
2020
1.2
1.0
4 weeks
before
2 weeks
before
2 weeks
after
4 weeks
after
6 weeks
after
Chinese
New Year