On the A603 going from Bedford to Cardington, you are taking the 4th exit to Cardington.

You need to be signalling right and in the right lane.

After you pass the 2nd exit you will be in the middle lane.

Cancel your signal.

Reapply your signal under the A421.

Cancel your signal after you have finished going under the A421.

As you pass the exit for Sandy, put a left signal on and exit at Cardington.

This is a clip of entering the roundabout from Cardington and then exiting towards the Black Cat roundabout:



This is a clip of entering the roundabout from Cardington and then exiting towards Bedford: