ATT Group has taken on projects, from September 2009 till July 2017, on comprehensive maintenance of Kallang Paya Lebar Expressway (KPE) and Marina Coastal Expressway (MCE) integrated traffic and plant management system, such as the following systems:
Radio Communication; EETS – Expressway Emergency Telephone System; PA – Public Address System; CBN – Central Backbone Network; PABX – Private automatic branch exchange; UPS – uninterruptible power supply.
