In November 2021 the UK government announced that some routes originally planned to be built in the North of England as part of HS2 Phase 2 were to be cancelled and instead, a "Conventional Compatible" network of existing routes in the North and Scotland would be upgraded to allow high-speed services.
Modifications by Bruce Lamberton
CC BY-SA 4.0
Modified from original image <a class="external free" href="https://en.wikipedia.org/wiki/File:HS2_classic_network.png">https://en.wikipedia.org/wiki/File:HS2_classic_network.png</a>