Have a look at the projects by https://sharedstreets.io/ https://sharedstreets.io/ Some of it is open source, e.g. https://github.com/sharedstreets/speed-predic

Have a look at the projects by https://sharedstreets.io/ https://sharedstreets.io/ Some of it is open source, e.g. https://github.com/sharedstreets/speed-prediction https://github.com/sharedstreets/speed-prediction