Kilotest: Diagnoses of aria reference invalid violation by HTML element 356 on Metropolitan Transportation Authority page

Basics

About the Metropolitan Transportation Authority page

• URL: https://www.mta.info/
• Tested 30 days ago by job oyu on 2026-06-20 at 13:49

About HTML element 356

• Tag name: INPUT
• Text: [not applicable]
• Start tag: <input type="search" id="edit-origin" name="edit-origin-search" placeholder="Address, station, landmark" autocomplete="off" required="required" role="combobox" aria-haspopup="listbox" aria-autocomplete="list" aria-expanded="false" aria-activedescendant="" aria-owns="edit-origin-listbox" class="form-control" style="">
• XPath: [not obtained]
• Bounding box: x = 500, y = 521, width = 255, height = 41

About the aria reference invalid issue

• Why it matters: Item behavior violates user expectations
• Priority: highest
• Related WCAG standard: 1.3.1

Diagnoses

Here is how rule engines diagnose the aria reference invalid issue for HTML element 356 of the Metropolitan Transportation Authority page.

1. The 'id' "edit-origin-listbox" specified for the ARIA property 'aria-owns' value is not valid

   Tool: Accessibility Checker (IBM)

   Rule: aria_id_unique