# How do I remove roads from Mathematica maps?

I'm using GeoGraphics and Polygon[Interpreter["USState"]["Colorado"]] to create a map of Colorado and several bordering states. With automatic GeoStyling, I get a decent map with cities and roads indicated.

I am plotting some data points on top of this map. This unfortunately makes the map difficult to read -- it's rather busy. Is there a way I can remove the roads from this map (keeping the cities and state borders)?

GeoGraphics[{GeoStyling[Automatic], Polygon[Interpreter["USState"]
GeoProjection -> "Mercator", ImageSize -> {800}, GeoScaleBar ->
Placed[{"Imperial", "Metric"}, Scaled[{0.05, .96}]]]


I used GeoBackground->GeoStyling["StreetMapLabelsOnly"] to get rid of the roads (keeping the cities), but it also got rid of the state borders.

I feel like I am almost there! Thanks in advance for your help!

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• You might wish to search simultaneously for roads and maps on this site. Sep 4, 2015 at 17:34

To get the state borders, one can overlay an "OutlineMap" on top of a background with GeoStyles["SreetMapLabelsOnly"]. The key is to ask for a map that is big enough to catch all of the states you want to see, and then specify

1. the center of the area of interest via GeoCenter
2. the range of the area you want to plot via GeoRange
3. the level of detail via GeoZoomLevel and ImageSize

Perhaps something like this will work:

GeoGraphics[
{GeoStyling["OutlineMap"], Opacity@0, Polygon[Interpreter["USStateClass"]["WesternStates"]]},
GeoBackground -> GeoStyling["StreetMapLabelsOnly"],

1. Since the only control one has over the level of detail is via GeoZoomLevel, which can be finicky, and ImageSize, expect some odd features, such as city names covered by state lines or a floating "United States" label in Kansas. If one goes too high in zoom level, road route symbols are also displayed, although there are no roads to match them to.