Service areas:

Chase Cross, Barkingside, Romford, Collier Row, Chadwell Heath, Havering-atte-Bower, Chigwell, Abridge, Chigwell Row, Stapleford Abbotts, Seven Kings, Noak Hill, Navestock, Stapleford Tawney, Mawneys, Stapleford Aerodrome, Aldborough Hatch, Marks Gate, Gants Hill, Little Heath, Newbury Park, Rush Green, Hainault, Goodmayes, RM1, RM7, RM11, RM12, RM5, RM4, RM10, RM6, IG2, IG7, IG10, IG9, IG6, RM3