WATERLOO, Aldwych, Chancery Lane, Holborn, Grays Inn Road, Roseberry Avenue, Islington, Newington Green, Green Lanes, Manor House, Black Boy Lane, Phillip Lane, Tottenham Garage, High Road, TOTTENHAM Bruce Grove (Mon-Sat)
This was in effect the the conversion to OPO of the northern part of the 171.

WATERLOO - TOTTENHAM Bruce Grove (Mon-Sat) - NORTHUMBERLAND PARK STN (Suns)
Sunday service introduced replacing Sunday 171 northern section.

WATERLOO, Aldwych, New Fetter Lane, Holborn, Grays Inn Road, Roseberry Avenue, Islington, Newington Green, Green Lanes, Manor House, Black Boy Lane, Phillip Lane, Tottenham Garage, TOTTENHAM Bruce Grove (Mon-Sat) or NORTHUMBERLAND PARK STN (Suns)
Service re-routed northbound between Fleet Street and Holborn via New Fetter Lane instead of Chancery Lane.

COUNTY HALL - TOTTENHAM (Mon-Sat) - NORTHUMBERLAND PARK STN (Suns)
Waterloo terminal changed to County Hall.

COUNTY HALL - NORTHUMBERLAND PARK STN
Diverted at Newington Green
Mon-Sat re-routed at Tottenham to Northumberland Park as per Sunday routeing.

COUNTY HALL - NORTHUMBERLAND PARK STN (late evenings) - NORTHUMBERLAND PARK  Tescos (except late evenings)
Extended from Station to Tescos replacing withdrawn section of service 76

17.10.98
Route renumbered 341 and operation transferred to First Capital.