Several textures on terrain(how to draw on texture)

HI. I have problem. i wont make road, the way the texture is applied to the texture of the grass. In fact, I need to decorate the texture of the grass. how can I do this? P.s i wont apply a road texture where the red zone. P.S.s Landscape matherial M_Ground_Moss. Thanks.

There’s a few ways to do this. Here’s a video explaining the above method.