(22 Feb 2022, 5:22 pm)Storx wrote South of the Tyne (not all but ones I'm aware of)
6 - Reduced frequency*
7 - Reduced frequency*
49/49A (ANE) - Reduced frequency*
34 (GNE) - Reduced from every 15 minutes to 20 minutes
64 (ANE Durham) - Reduced frequency*
3/3A (ANE Darlington) - Reduced frequency from 10 minutes / 30 minutes to allover the place
9 (ANE Darlington) - Reduced frequency from 12 minutes to 20 minutes.
10 (ANE Darlington) - Same as above
13A/13B (ANE Darlington) - Reduced from every 5 minutes combined to 10 minutes combined.
* I don't know what they were.
The attached may be useful for the pre-COVID frequency of Darlington services:
