TC
Traffic Commissioner
TFT
Thin-Film-Transistor liquid-crystal display
TIL
Traveline Information Limited
TISA
Traveller Information Services Association
TLP
Traffic Light Priority
TMC
Transport Management Centre
TNDS
Traveline National Data Set
TPEG
Transport Protocol Experts Group
TSP
Traffic Signal Priority
TTF
Transport Technology Forum
TxC
TransXChange