Route H19 is an anticlockwise route which runs from Harrow, serving Northwick Park, Kenton, Belmont, Harrow Weald & North Harrow in the process. In 2006, Route H18, (then Harrow Weald to Harrow) was extended via the old 350 route (Watford to Harrow) through Headstone Lane and North Harrow. To help passengers distinguish between the new clockwise and anticlockwise routes, the anticlockwise route was re-numbered H19,...
