From next year services from Oxford to Bletchley and Milton Keynes Central will be reintroduced. The railway line between Oxford and Bedford via Bicester Town and Bletchley will also be electrified. But the plans are wrapped with a warning.
From 2024 the West Coast main line - as Britain's busiest and most economically vital rail artery - will be full with no more space to accommodate the expected growth in demand.
Network Rail believe HS2 would solve the capacity crunch set to face passengers and businesses on the line.