Acronyms
SA: Situational Awareness
SAD: System Architecture Document
SAE: Society of Automotive Engineers
SAFETEA-LU: Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users
SCMS: Security and Credentials Management System
SCMS: Security Credentials Management System
SDO: Standards Development Organization
SE: Systems Engineering
SEA: Systems Engineering Analysis
SENTRI: Secure Electronic Network for Travelers
Secure Electronic Network for Travelers Rapid Inspection
SET-IT: Systems Engineering Tool for Intelligent Transportation
SM: System Monitoring
SM&O: Systems Management and Operations Plan
SME: Security Monitoring Equipment
SMI: Signal Movements at Intersections
SNMP: Simple Network Management Protocol
SPAT: Signal Phase and Timing Message
SSGA: Stop Sign Gap Assist
SSL: Signal System Local
SSM: Signal System Master
SSR: Standard Speed Rail
ST: Sustainable Travel (Service Package area)
STIP: Statewide Transportation Improvement Program
STMF: Simple Transportation Management Framework
STMP: Simple Transportation Management Protocol
SU: Support (Service Package area)
SVG: Scalable Vector Graphics
SyRS: System Requirements Specification