166207 passes through Hailey Wood (between Kemble and Sapperton) on 30 December 2018 with the 2G81 10:44 Swindon to Cheltenham Spa GWR service. The disused Thames & Severn Canal Tunnel passes underneath the railway near this point, and just a few yards from this spot is one of the many shafts used in the construction of the tunnel.