Harrow-on-the-Hill station there will only be step-free interchange between Metropolitan line trains travelling in the same direction) and "Entry and exit not accessible" (see station description above). The Lowlands Road entrance (which is also the route to the car park and the car passenger pick up and set down area) has the fewer steps. There is a bus station located next to the station offering London Buses services right across North London. Harrow-on-the-Hill station Harrow-on-the-Hill is a London Underground station served by the Metropolitan line and National Rail services, in Travelcard Zone 5. The stations two exits are located between College Road
Urban rail in the United Kingdom and Western England. Stations within London are served by two or four trains per hour. The London Overground (often shortened to "Overground") is operated by Arriva Rail London under a concession let by Transport for London, which owns the London Underground. The Overground includes the Watford Local, North & West London, East London & South and the Gospel Oak to Barking lines. It is the only National Rail service shown on the London Underground map. All stations are served at least every 20 minutes, with stations between and on the East London Line having 16 trains per hour in each