in particular, it plans to build (or rebuild) a new line linking oxford and cambridge via bicester, milton keynes (at bletchley) and bedford. it will largely use existing (but closed) railway lines. it will provides a route between any or all of the great western, chiltern, west coast, midland, east coast, west anglia and great eastern main lines, avoiding london. the new line will provide a route for potential new services between and ipswich or norwich via , didcot and ely, using existing onward lines. the western section from oxford to bedford was approved by the government in november 2011, with completion of this section expected by 2025.