You can use drawings of people riding bicycles, people riding safely, people riding with helmets, pedestrians on bicycles by downloading the dwg file.
You can download the People Riding Bikes Dwg file from this page and use it in your autocad projects. All users can share and download files on Arkipedia. You need to wait for a while to download the file. If the file is not free, you can support it by checking out the subscription plans.