A decision to go-ahead was given for a 10-lane scheme in 1998 and the # 148 million 'M 25 Jct 12 to 15 Widening ' contract was awarded to Balfour Beatty in 2003 .
A decision to go-ahead was given for a 10-lane scheme in 1998 , and the # 148 million 'M 25 Jct 12 to 15 Widening ' contract was awarded to Balfour Beatty in 2003 .