He said the trial results were only unclear because of roadworks in one lane. Meanwhile, the 40,000-member Motorcycle Action Group (Mag) said it was "closely monitoring" the proposal-to make bikers pay the congestion charge - revealed by the Evening Standard last week. The group warned of a "major" protest in central London if TfL decided to charge, and its president, Ian Mutch, said: " Motorcyclists feel betrayed."