Traffic Lights

UTMC Communications

The suitability of the wireless network as a communications platform for Urban Traffic Management and Control (UTMC) is being trialled through the project through three main areas:

  1. Control of traffic signals which have low data transfer rates but require a high level of reliability of two way communication to maintain control.
  2. For traffic CCTV which requires high data transfer rates and where quality of service can be easily visually seen.
  3. In communication with the On Bus units when buses pass an access point.
View of Road Network

The TRG trials and evaluation are ongoing, but initial outputs have demonstrated that the quality of CCTV images are comparable to those from the fibre communications and that the wireless communications fully meet the data transfer quality and reliability for controlling junctions under SCOOT.

Switching to wireless has the potential to significantly reduce the high revenue costs associated with operating a network over leased lines.