Neither operator is running any trains on ASLEF strike days.
On RMT strike days Transpennine are only running a restricted service on these routes-
Liverpool Lime Street to Huddersfield via Manchester Pic, Liverpool Lime Street to Preston and Liverpool Lime Street to Cleethorpes via Manchester Pic and Sheffield (change at Sheffield). All other routes are cancelled.
On RMT strike days Northern are only running a restricted service on these routes-
Darlington - Middlesbrough - Saltburn
Liverpool Lime Street - Manchester Airport [non stop between Manchester to Liverpool- these might be interesting trains as they are currently showing as Locomotive Hauled on 13 May although NT owns no locomotive hauled trains, so might be hired in trains to cope with Eurovision crowds]
Leeds - York
Leeds - Hebden Bridge
Leeds - Ilkley
Leeds - Skipton
Sheffield - Moorthorpe - Leeds
Leeds - Bradford Forster Square
NOTE For Passengers to Oxenholme for Windermere- the draft Avanti timetable shows that the few trains running on 13 May will NOT be calling at Oxenholme]