D.C. Code § 9-101.09: Resubdivision of property affected by highway plan pending condemnation proceedings.

Where any proposed street of the permanent system of highways affects any lot or block of a subdivision recorded in the Office of the Surveyor of the District of Columbia, the Mayor of the District of Columbia may, in his discretion, allow the resubdivision of such lot or block in a manner conforming to the original subdivision until such time as condemnation proceedings are begun for the opening of the proposed street affecting the land to be subdivided.