Because it contains just a small amount of distortion over a local area, a conic projection map is used to make road and weather maps.
Map projection deals with how to project a 3D environment onto a 2D surface of a map. There are 3 common types: cylindrical, conic, and azimuthal.
Cylindrical is the one commonly used for world map.
Because it contains just a small amount of distortion over a local area, a conic projection map is used to make road and weather maps.