sentences:  The twelve junctions on the route fitted with bus priority traffic signals were tested on 16 December 2010 and worked as expected.In January 2009 it was announced that the scheduled opening of the scheme had been delayed until late summer 2009 owing to bad weather and flooding in the Fen Drayton area.As a result of complications with a bridge at Hills Road in Cambridge, traffic restrictions there continued throughout the summer of 2009.