# Traffic engineering { "id": "S85136766", "title": "Traffic engineering", "url": "/topics/S85136766", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "a4f29ff6c160fc2c", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "10126559266489107972", "address_version": "morton4x16-v1", "coordinates": [ 0, 20, 19541, 63488 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Here are entered works on the planning of the flow of traffic and related topics, largely as they concern street transportation in cities and metropolitan areas. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh85136766 No owner-reviewed local answer yet.