The money will not just be spent in the North and the Midlands, despite the proposed line operating from Birmingham to Manchester.
The £2,000 suggested is based on figures produced by the Conservative Party which the Labour Party has disputed.
Rishi Sunak claimed in the ITV debate that independent officials at the Treasury had costed Labour’s policies.
Senior Labour figures have previously called for more relaxed immigration policies, but these have not been put into practice.
Round up of claims from the campaign trail checked by Full Fact, the UK’s independent fact checking charity, via Election Check 24.