Current through Register Vol. 47, No. 10, November 13, 2024
Rule 661-18.4 - Access aisles and loading zones(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.
(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.
(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.Iowa Admin. Code r. 661-18.4