DfT response to CBRR letter
The response from the Secretary of State at the Department for Transport to CBRR's solicitor's letter gave little further assurance.
Heidi Allen MP (South Cambridgeshire):

“... East West Rail and the Expressway are well and truly on Government’s “to-do” list. At every opportunity I get, I reinforce the National Infrastructure Commission’s recommendation that their corridors must be aligned so that they serve both existing and emerging communities.”