What do you use to draw a route?

Question

JavaScript

Hello! Please tell me, I would like to apply more or less clear driving directions to some mapping service, in the priority of Google maps.
What service, or maybe it is better to use some libraries?
An important point, the map must remain movable (zooming, moving, etc.)
I would like something like this:

Answer 1

Either you make georeferenced raster images for each zoom, or you draw it with primitives (like a line, an icon, a popup).