DTRS stands for Department of Transport and Regional Services (now now Department of Infrastructure, Transport, Regional Development and Local Government; Australia)
DTRS stands for Deployable Tele-Radiology System (US DoD)
DTRS stands for Development Test Requirement Specification
DTRS stands for Don’t Touch Running System
DTRS stands for Daily Trunk Reporting System (Sprint)
DTRS stands for Decision-Theoretic Rough Set (computer science)
DTRS stands for Defense Transportation Reinbursement System
DTRS stands for Developmental Testing Readiness Statement