# Public transport drug testing operations > Developing situation record from CLSTR: https://clstr.news/situations/public-transport-drug-testing-operations > Updated: 2026-11-07T01:31:01.000Z. Sources: 2. Developments: 2. Government agencies in the Philippines, Mexico, and Chile have implemented drug testing operations targeting public transport workers to enhance commuter safety. In the Philippines, inter-agency operations such as Oplan Harabas 2026 in La Union and random inspections by the Metropolitan Manila Development Authority in Metro Manila identified several drivers who tested positive for illegal drugs. Affected drivers have been referred for rehabilitation or temporarily prohibited from driving pending confirmatory results. In Mexico, authorities in Piedras Negras dismissed two urban transport operators following surprise anti-doping exams. A taxi driver also faces potential dismissal and legal proceedings after allegedly driving under the influence and causing vehicle damage. In Chile, a joint operation by Carabineros and SENDA officials on Route V-300 identified a collective transport driver who tested positive for illicit substances while transporting passengers, resulting in three detentions. ## Timeline ### 2026-11-07: Public transport operators dismissed following drug tests in Mexico and Chile Transport operators in Mexico and Chile have been dismissed or detained after testing positive for drugs during roadside safety inspections and surprise anti-doping tests. 2 sources. https://clstr.news/cluster/public-transport-operators-dismissed-following-drug-tests-in-mexico-and-chile ### 2026-10-29: Philippine authorities conduct drug testing for public transport workers Philippine authorities conducted drug testing for public transport workers in La Union and Metro Manila, identifying three drivers who tested positive during initial screenings. 3 sources. https://clstr.news/cluster/philippine-authorities-conduct-drug-testing-for-public-transport-workers --- Cite as: Public transport drug testing operations. CLSTR, https://clstr.news/situations/public-transport-drug-testing-operations