The A14 upgrade explained
Media playback is unsupported on your device
Video

The £1.5bn A14 upgrade explained

The £1.5bn project to improve the A14/A1 between Alconbury and Cambridge is under way.

The 21-mile scheme will include a new bypass for Huntingdon, improvements to five junctions and also the widening of a section of the A1.

Highways England say work should be completed by 2021.