Section 661.18.4. Access aisles and loading zones.

       18.4(1) Passenger loading zones shall provide an access aisle at least 48 inches wide and 20 feet long adjacent and parallel to the vehicle pull-up space (see Figure 2). Vehicle standing spaces and access aisles shall be level with surface slopes not exceeding 1:50 in all directions.

Note:  Projects which are required to comply with the Uniform Federal Accessibility Standards shall provide a width of 60 inches for the access aisle.

       18.4(2) A minimum vertical clearance of 108 inches shall be provided at accessible passenger loading zones and along vehicle access routes to such areas from site entrances.

Note:  Uniform Federal Accessibility Standard requires 114 inches of vertical clearance.

       18.4(3) If there are curbs between the access aisle and the vehicle pull-up space, then a curb ramp complying with Iowa Code section 216C.9 shall be provided.