Here's an idea.

Curtail the X20 at Arnison Centre and extend it to Brasside. The Langley Park to Arnison Centre section can be replaced by a reinstated 14 (or the 204/204A).

Extend the X20 beyond Sunderland to Acklington via Boldon, A19, Tyne Tunnel, Silverlink, A19, A189, Ashington, Ulgham, Widdrington Station, and HMP Acklington.

Links to both HMP Acklington and Frankland will provide the people of Sunderland to destinations they're destined to go at least once in their lives. It can also double as prison transport when stones are thrown at the windows of the bus in Houghton-le-Spring.

Brand it the 'Jailbreaker'.