RNS Number:0137O
Trafficmaster PLC
28 July 2003



                     Trafficmaster Plc ("the Company")


The Company has received notification in accordance with Part VI of the 
Companies Act 1985 (as amended) that Phoenix Asset Management Partners Limited
have a notifiable interest in 11,968,152 Ordinary Shares of 5p each of the
Company ("shares"), which represents 9.51 per cent of the issued share capital
of the Company.

                      This information is provided by RNS
            The company news service from the London Stock Exchange


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