 On 1 June 1935, the London Passenger Transport Board gave the required six months notice to the Oxford & Aylesbury Tramroad Company that it intended to terminate operations on the tramway.To fulfil their obligations, London Transport formally inspected the line on 23 July 1935.The inspection was carried out with great speed, the special train taking just 15 minutes to travel the length of the line from Brill to Quainton Road.