McKinley Tot Lot Notes #6 - ADA Accessible Route Under Construction! The concrete ADA accessible route in the proposed playground is under construction! See the curved area with stone aggregate. A concrete mix will be poured over the subbase that you can see in the picture. You can see the wood forms along the path, that will be removed once the concrete is set. Sidewalk construction is also advancing, as well as replacement if the roadway section adjacent to the concrete curb. The ADA accessible route will be 5’ in width and maximum longitudinal slope 1:20 and maximum cross slope 1:48 to be within the ADA design standards. More to come! #McKinleyTotLotNotes