RNS Number:1954O
Trafficmaster PLC
31 July 2003

                    Trafficmaster Plc ("the Company")

The Company has received notification today in accordance with Part VI of the
Companies Act 1985 (as amended) that Phoenix Asset Management Partners Limited
have a notifiable interest in 10,388,152 Ordinary Shares of 5p each of the
Company ("shares"), which represents 8.25 per cent of the issued share capital
of the Company.



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