County highway sign County highway sign Illustration of county highway sign mapping, navigation, county, highway, sign, road, travel, one, digit, single, numbers 2005-03-02 image/svg+xml County highway sign 2005-03-02 Integration and Application Network https://ian.umces.edu/media-library/county-highway-sign/ https://ian.umces.edu/media-library/county-highway-sign/ en-US mapping, navigation, county, highway, sign, road, travel, one, digit, single, numbers Illustration of county highway sign