Weather, traffic, pollution… Practical information for July 20 in Lyon


The sun will rise at 6:14 a.m. and set at 9:19 p.m. Temperatures will vary between 23°C and 35°C, i.e. 6°C above seasonal norms. The day will be hot with a potential storm north of Lyon. A northwest wind will blow at 25 km/h with gusts at 50 km/h.

The air quality will be better than that of July 19, at the “degraded” level with ozone (O3) as the main pollutant.

Traffic and works

  • North ring road. In the Rochecardon and Caluire tunnels, on July 20, from 8 p.m. to 6 a.m. the next day, traffic will be reduced, in the direction of Geneva, to allow for lighting work.
  • Brotteaux-Servient tunnel. On July 20 and 21, from 9:30 a.m. to 4 p.m., traffic will be prohibited under the entire structure to allow for maintenance work.
  • Subway B Due to work on the tracks for the extension of the line, from 1uh June to August 24, 2022, metro B will no longer run in the evening, from 9:15 p.m. towards Gare d’Oullins and 9:25 p.m. towards Charpennes, on the following days (relay buses are in place):
    • Wednesday July 20
    • Tuesday August 16
    • Wednesday August 17
    • Monday August 22
    • Tuesday August 23
    • Wednesday August 24

Leave a Comment