The northbound carriageway is blocked, just north of Belsize Road, by a mechanical bus.
Routes affected: 139, 189
139 to Golders Green - From Lisson Grove, L St John's Wood Road, R Maida Vale, A Kilburn High Road, R Quex Road, L West End Lane LOR.
189 to Brent Cross - From Lisson Grove, L St John's Wood Road, R Maida Vale, A Kilburn High Road LOR.
Diversion reference: D54330