	Variable Message Signs (VMS), traffic queue detection loops and closed circuit TV (CCTV) were installed at a cost of £50M during 2009 to 2010 Both carriageways between Junction 52 (Claydon) and Junction 55 (Copdock) were refurbished during 2010 at a cost of £9 million. Work was being carried out a year earlier than scheduled as part of a UK government’s fiscal stimulus package.