For a particular city, I want to make the label for its main street labeled as prominently as Motorways. i.e. although this road would normally only be labeled from about zoom level 15 and up, I would like it to be visibly labeled from zoom level 12.
Is there a syntax I can use in TileMill's CartoCSS to allow me to custom adjust label properties for this particular road? Ideally it could be based on road name (e.g. "Mary Street") but pretty much any solution could work such as using its ID number, because we only have to do it once.