(08 Oct 2021, 7:54 pm)Train8261 wrote 7130 (BX16 CKP)  seems to have broken down somewhere after Dalton Park

Aye, it was the layby just on the Seaham sliproad, north of Dalton Park. 
I didn't want to mention 'breakdown' or owt like it, cos it might have lost a wing mirror or something.