Challenge Métropolitain du Vélo 2021 - Volumes of journeys

Data from the Metropolitan Bike Challenge 2021 Carroyage with number of trips per hexagonal cell. Every year since 2013, the MEL organizes on its territory the Metropolitan Bike Challenge. [Find here data from previous years](https://opendata.lillemetropole.fr/explore/dataset/challenge-metropolitain-du-velo). The framing of the carroyage has evolved which explains this new dataset. The challenge is an opportunity to motivate locals to practice cycling on a daily basis. This event is also an opportunity to collect data on the trips made by the participants. Hexagonal carriage of 25 m by 25 m which counts in each cell the number of paths passing through this cell. The carroyage makes it possible to draw [a heat map](https://opendata.lillemetropole.fr/api/datasets/1.0/challenge-meropolitain-velo/attachments/cartedechaleur_challengemetropolitainvelo2021_mel_pdf/) of the cycling practice of the participants in the 2021 challenge throughout May 2021.