Updated HE site shows three phases of works:
* Morpeth to Felton - 8 miles to join up existing dual. 'Start date: 2019/2020'
* Alnwick to Ellingham - new 5 miles of dual. 'Start date: 2019/2020'
* North of Ellingham - Start Date 2018, but no specific works listed.

https://highwaysengland.co.uk/programmes/a1-in-northumberland/