ADA 101 – Off Street Parking Access Aisle
502.3 – Off Street Parking Access Aisle
Access aisles serving parking spaces shall adjoin an accessible route. Two parking spaces shall be permitted to share a common access aisle. Access aisles serving car and van parking spaces shall be 60 inches wide minimum, and span the full length of the parking spaces.
Check your state’s accessibility laws. Some states such as California, Georgia and Florida have additional requirements and standards.