How to make a street coverage map?

Question

HTML

There is a provider that gradually "covers" the city with optics.
How can I implement a map along the streets, on which, the client can see if the house / apartment is included in this zone, or how far it is from the "connection point"
I thought to do something in the form of coverage for mobile operators, but these are not accurate readings (

Answer 1

https://cartodb.com/