Specifically a Route 29 heading south in Charing Cross Road.Route 29 , operated by Arriva, runs from Wood Green Garage , High Road, London N22 , via Turnpike Lane, Green Lanes,Manor House, Finsbury Park Station,Camden,Hampstead Road, Warren Street Station, Gower Street,St.Giles High Street, Denmark Street, Charing Cross Road, St. Martin's Place , Trafalgar Square.A bus every 3 minutes, throughout the day.The route is covered by N29 at night.