Over 90% of the traffic turns right up London Road, so why not narrow the South Circular so that it is only one lane in each direction? There would be plenty of space for a large, central island and you'd stop those people who use the inside lane to turn right, cutting up all the other drivers and nearly getting crushed by the lorries. Win win?

Alternatively, the Forest Hill Urban Design Framework and Development Strategy proposed significant changes to this junction in 2003 (see p33), but the only things which seem to have been implemented are the building projects