Determine minimum width and access-aisle dimensions for a car-accessible space vs. a van-accessible space before painting a new ADA layout.

domain: ADA.gov — 2010 ADA Standards, Section 502 (parking space and access aisle dimensions) · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗

Steps

  1. Fetch 2010 Standards Section 502 via ada.gov/law-and-regs/design-standards/2010-stds or the US Access Board's Chapter 5 parking guide.
  2. Confirm car space minimum width is 96 inches with an adjoining 60-inch-minimum access aisle.
  3. Confirm van space option A: 132-inch space + 60-inch aisle, or option B: 96-inch space + 96-inch aisle.
  4. Confirm 98-inch minimum vertical clearance for the van route, space, and access aisle.
  5. Confirm access aisle maximum slope is 1:48 in all directions and it must connect to an accessible route.

Known gotchas

Related routes

Calculate the minimum number of ADA-compliant accessible parking spaces (including van-accessible spaces) required when restriping a private lot with a known total space count.
ADA.gov — 2010 ADA Standards for Accessible Design, Section 208 (via ADA Compliance Brief: Restriping Parking Spaces) · 5 steps · unrated
Determine correct placement of accessible spaces relative to accessible entrances when redesigning striping for a multi-building or multi-entrance lot.
ADA.gov 2010 Standards Section 208.3 / Restriping Compliance Brief (Location) · 6 steps · unrated
Verify accessible parking spaces and their access aisles won't exceed the 1:48 maximum slope after a mill-and-overlay or restripe on an unevenly graded lot.
ADA.gov / access-board.gov — 2010 ADA Standards Section 502.3 (Access Aisle), 502.4 (Floor or Ground Surfaces), and 502.5 (Vertical Clearance) · 6 steps · unrated

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