Initial GWR Class 175 diagrams from December 2025.

[83G/84D]

More or less replacing the Castle Class HST’s with a few minor differences. I won’t list spare or training units.

Monday to Friday from 15 December.

3C05 0645 Laira - Liskeard
2P05 0808 Liskeard - Plymouth
2C11 1014 Plymouth - Penzance
2P16 1315 Penzance - Plymouth
5P16 1519 Plymouth - Laira


5C26 1314 Laira - Plymouth
2C26 1340 Plymouth - Penzance
2P21 1552 Penzance - Plymouth
5P21 1756 Plymouth - Laira


5C00 0449 Laira - Plymouth
2C00 0533 Plymouth - Penzance
2E06 0745 Penzance - Exeter St Davids
2C20 1127 Exeter St Davids - Penzance
2P20 1515 Penzance - Plymouth
5P20 1735 Plymouth - Laira

Saturdays from 20 December.

5C49 1155 Laira - Plymouth
2C49 1242 Plymouth - Penzance
2P24 1515 Penzance - Plymouth
5P24 1731 Plymouth -Laira


5C05 0434 Laira - Plymouth
2C05 0515 Plymouth - Penzance
2P10 0740 Penzance - Plymouth
2C16 1015 Plymouth - Penzance
2P90 1314 Penzance - Plymouth
5P90 1530 Plymouth - Laira


3E42 0400 Laira - Exeter St Davids via Plymouth
2C42 0800 Exeter St Davids - Penzance
2P18 1150 Penzance - Plymouth
2C53 1445 Plymouth - Penzance
2P30 1715 Penzance - Plymouth
5P30 1924 Plymouth - Laira

Sunday’s from 14 December.

3E24 0928 Laira - Exeter St Davids via Plymouth
2C24 1126 Exeter St Davids - Penzance
2E19 1450 Penzance - Exeter St Davids
5P19 1919 Exeter St Davids - Laira


5C06 0750 Laira - Plymouth
2C06 0845 Plymouth - Penzance
2E13 1149 Plymouth - Exeter St Davids
2C32 1527 Exeter St Davids - Penzance
2P28 1915 Penzance - Plymouth
5P28 2126 Plymouth - Laira

 

[Bob85]

You say "initial", will any be introduced before the timetable change? If so, which?

 

[83G/84D]

You say "initial", will any be introduced before the timetable change? If so, which?

No 175’s prior to December however more diagrams will be added from Spring 2026.

 

[BorderCollie]

Do the diagrams delineate between 2 and 3 car (or even 4) etc.?

 

[83G/84D]

They quote 175/0 or 175/1, there’s a
mix of both diagrammed. I haven’t shown which on the listing as it will probably vary.

No double units are planned.

In any case 2 or 3 car units will replace 4 coach HST’s.

 

[FGW_DID]

Do the diagrams delineate between 2 and 3 car (or even 4) etc.?

The diagrams will delineate between 2 & 3 car as the 16x diagrams do. A 4 car working would appear on 2x 2 car diagrams.
1 unit = 1 diagram.
Not to say a 3 car won’t appear on a 2 car diagram and vice versa just as the 16x units do.

 

[Snow1964]

Those weekend early trains as empty to Exeter seems rather wasteful, would have thought they could have been in service at least part of the route taking people to Exeter (and some will work in Exeter even at weekends setting up shops etc)

 

[Bringback309s]

watch the enthusiasts faces when expecting their first trip on a 175 through the South West a sprinter turns up!

 

[The exile]

Those weekend early trains as empty to Exeter seems rather wasteful, would have thought they could have been in service at least part of the route taking people to Exeter (and some will work in Exeter even at weekends setting up shops etc)

No guard till Exeter?

 

[berneyarms]

Those weekend early trains as empty to Exeter seems rather wasteful, would have thought they could have been in service at least part of the route taking people to Exeter (and some will work in Exeter even at weekends setting up shops etc)

Aside from the likelihood that the guard joins at Exeter, the 0928 Laira-Exeter runs just 6 mins ahead of an XC service from Plymouth so really wouldn’t make any difference.