National ITS Architecture Acronyms

TAS: Toll Administration Subsystem

TCIP: Transit Communications Interface Profiles

TCP: Transport Control Protocol

TCS: Toll Collection Subsystem

TDM: Travel Demand Management

TEA-21: Transportation Equity Act for the 21st Century

TIP: Transportation Improvement Program

TM: Traffic Management

TMA: Transportation Management Area

TMC: Traffic Management Center

TMDD: Traffic Management Data Dictionary

TMS: Traffic Management Subsystem

TOC: Traffic Operations Center

TRMC: Transit Management Center

TRMS: Transit Management Subsystem

TRVS: Transit Vehicle Subsystem

TSA: Transportation Security Administration