Hi Scott Michetti,
We don’t add street/road/city/country names to OpenStreet maps. These names a pre-rendered on the map tiles on the OpenStreet tile server. Rendering is a fairly resource intensive process. The server does not render tiles in real time, for each user browsing the map. The tiles are pre-rendered and stored on disk on the OpenStreet server. So, unfortunately, it is not possible to change font size for street/road/city/country names.
the Telerik team
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