France: monthly traffic congestion level in Lyon

Lyon recorded the lowest congestion level in April 2020, in the midst of a national lockdown in response to the COVID-19 pandemic. This congestion rate fluctuated during the rest of the year, ending at 26 percent in December. The yearly average congestion rate of 25 percent was an overall decrease compared to 2019.

Monthly traffic congestion level in the French city of Lyon in 2020

Characteristic	Congestion level
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Release date

2021

More information

Region

France

Survey time period

2017 to 2020

Supplementary notes

The rates are based on the following methodology detailed by the source:

"A 53% congestion level in Bangkok, for example, means that a 30-minute trip will take 53% more time than it would during Bangkok’s baseline uncongested conditions.

You can turn this 53% into travel time through simple calculations. First: 0.53 x 30 mins = 15.9 mins extra average travel time. Second: 30 mins + 15.9 mins = 45.9 mins total average travel time.

We calculate the baseline per city by analyzing free-flow travel times of all vehicles on the entire road network – recorded 24/7, 365 days a year. This information allows us to also calculate, for example, how much extra time a driver will spend in traffic during rush hour in Bangkok."

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