# Roads--Design and construction--Human factors { "id": "S2008008549", "title": "Roads--Design and construction--Human factors", "url": "/topics/S2008008549", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "f017dd2442021377", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "13856534017614439972", "address_version": "morton4x16-v1", "coordinates": [ 0, 478, 48925, 37888 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh2008008549 No owner-reviewed local answer yet.