We just updated Mapbox basemap imagery in Washington, DC with 2015 aerial imagery at 3 inch (7.5 cm) resolution.

DC-3 Cherry blossoms at the Martin Luther King, Jr. Memorial

The source data is openly licensed by, thanks to the District’s open data initiative.

The imagery is ready for tracing in OpenStreetMap, where its high resolution will help with detail mapping for buildings, parks, and navigation features like turn lanes.

Happy mapping!!

Comment from Baloo Uriza on 23 January 2017 at 14:45

Be sure to include placement as well. Such as in the above example, placement=middle_of:3

Comment from BushmanK on 23 January 2017 at 18:09

There was a discussion of full syntax for turn lanes vs. shortened one somewhere already. While shortened one is completely correct, full syntax (without skipping “none”) is more human-readable and less prone to human error.

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