(a) The Mayor shall: (1) Equip all District-owned, heavy-duty vehicles with the following: (A) Blind-spot mirrors; (B) Reflective blind-spot warning stickers; and (C) Side-underrun guards to prevent bicyclists, other vehicles, or pedestrians from sliding under rear wheels. (2) Require that operators of District-owned, heavy-duty vehicles receive bicycle and pedestrian safety training from a curriculum and instructors that are approved by the District Department of Transportation. (a-1) Effective January 1, 2017, all heavy-duty vehicles registered in the District shall be equipped with the following: (1) Blind-spot mirrors or a blind-spot camera system; and (2) Reflective blind-spot warning stickers. (a-2) Effective January 1, 2019, all heavy-duty vehicles registered in the District shall be equipped with side-underrun guards to prevent bicyclists, other vehicles, or pedestrians from sliding under rear wheels. (b) The Mayor, pursuant to subchapter I of Chapter 5 of Title 2, shall issue rules to implement the provisions of this section within 180 days of March 25, 2009.