Traffic on MapView is not an Overlay

After getting the list of overlays o开发者_开发百科f my map I saw that the traffic option on MapView is not a separate overlay. Is there a way to get just this layer? and manipulate it?

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Is there a way to get just this layer?

It is not a layer. It is a set of map tiles, just as are the regular map tiles and the satellite mode map tiles.

and manipulate it?

No, sorry.