Easiest would probably be OSMnx, a Python library specifically made for working with street networks using OpenStreetMap data. Use then something like https://open-elevation.com to get altitude data and calculate the average steepness of each street. Plot everything with your favourite plot method. Source: about 2 years ago

Then there are some services that make these data available via API without having to download and process everything yourself, for instance OpenElevation. Google also offer an elevation API as part of their Maps product, albeit commercially. Source: over 2 years ago

So I got a VPN because I don't like jut how tracked we are on the internet. I'm not like doing anything where I need to worry about the government or state actors but I believe as a principle you should have some anonymity on the internet. Google shouldn't need to know everything about me. But I went to test my location when connected using my-location.org and it straight up was my exact address even when... Source: about 1 year ago

I tested the accuracy of my mobile device's location with wifi only and, and it points right to our address. The Starlink app works in wifi without cell reception. Https://my-location.org/. Source: about 3 years ago