Abellio London | LT615 (LTZ1615) & LT640 (LTZ1640) sandwich in OE34011 in Westbourne Green as they operate route 27 between Hammersmith Grove & Chalk Farm.
Route 27 (1934-): Hammersmith Grove to Chalk Farm - Lawrence Living Transport Photographers
Books: Review - The Road Ahead: Observations of a London Bus Driver. By Kenny Mackay | Camden Review (beta)
London Buses route 27 | UK Transport Wiki | Fandom
CGY Bus Diversion | Camden Goods Yard
Route 27
Catching the 27 to Chalk Farm, Kensington Church Street, L… | Flickr
Chalk Farm Underground Station - Building - Chalk Farm, London NW3