First Great Western has applied its 'Dynamic Lines' or 'Neon' livery to Class 166 No. 166220. This is the first FGW multiple unit to sport the new colours and emerged from Reading depot on 2 October 2006. The unit arrives at Paddington on 4 October, 2006, forming the 14.00 service from Bedwyn. It later departed again as the 16.18 to Oxford.