Services at Slough
| ID | TOC | Arr | From | Pfm | To | Dep |
|---|---|---|---|---|---|---|
| 9U15 | XR | 1552 | Reading | 5 | Abbey Wood (Crossrail) | 1553 |
| 1A24 | GW | PASS | Chippenham | 3 | London Paddington | 1553 |
| 2N50 | GW | 1555 | London Paddington | 4 | Didcot Parkway | 1556 |
| 5R96 | GW | CANX | London Paddington | 4 | Reading Traincare Depot | CANX |
| 1A85 | GW | PASS | Taunton | 3 | London Paddington | 1558 |
| 1B21 | GW | PASS | London Paddington | 2 | Swansea | 1600 |
| 9N08 | XR | 1605 | Abbey Wood (Crossrail) | 4 | Maidenhead | 1606 |
| 1L22 | GW | PASS | Swansea | 3 | London Paddington | 1600 |
| 2P53 | GW | 1601 | Didcot Parkway | 5 | London Paddington | 1602 |
| 1W31 | GW | PASS | London Paddington | 2 | Great Malvern | 1603 |
| 2A64 | GW | 1605 | Windsor & Eton Central | 1 | Terminates here | |
| 9U19 | XR | 1607 | Maidenhead | 5 | Abbey Wood (Crossrail) | 1608 |
| 1P28 | GW | PASS | Hereford | 3 | London Paddington | 1609 |
| 2W65 | GW | Starts here | 1 | Windsor & Eton Central | 1610 | |
| 1C21 | GW | PASS | London Paddington | 2 | Chippenham | 1611 |
| 1C88 | GW | PASS | London Paddington | 2 | Plymouth | 1614 |
| 1A86 | GW | PASS | Plymouth | 3 | London Paddington | 1614 |
| 9R14 | XR | 1616 | Abbey Wood (Crossrail) | 4 | Reading | 1617 |
| 1K20 | GW | PASS | London Paddington | 2 | Newbury | 1619 |
| 9U25 | XR | 1620½ | Reading | 5 | Abbey Wood (Crossrail) | 1621½ |
| 1H25 | GW | PASS | Bath Spa | 3 | London Paddington | 1623 |
| 2N52 | GW | 1623 | London Paddington | 4 | Didcot Parkway | 1624 |
| 2A65 | GW | 1626 | Windsor & Eton Central | 1 | Terminates here | |
| 1B23 | GW | PASS | London Paddington | 2 | Cardiff Central | 1628 |
| 2W66 | GW | Starts here | 1 | Windsor & Eton Central | 1630 | |
| 1L23 | GW | PASS | Cardiff Central | 3 | London Paddington | 1630½ |
| 9N18 | XR | 1630½ | Abbey Wood (Crossrail) | 4 | Maidenhead | 1631½ |
| 2P55 | GW | 1631½ | Didcot Parkway | 5 | London Paddington | 1632½ |
| 1D32 | GW | PASS | London Paddington | 2 | Oxford | 1635 |
| 9U29 | XR | 1637½ | Maidenhead | 5 | Abbey Wood (Crossrail) | 1638½ |
| 1K23 | GW | PASS | Newbury | 3 | London Paddington | 1638½ |
| 6C53 | PASS | West Drayton Frays Sidings | 4 | East Usk Yard (FHH) | 1640½ | |
| 1D29 | GW | PASS | Oxford | 3 | London Paddington | 1641½ |
| 1U22 | GW | PASS | London Paddington | 2 | Bath Spa | 1642 |
| 1G23 | GW | PASS | London Paddington | 2 | Cheltenham Spa | 1644 |
| 2A66 | GW | 1646 | Windsor & Eton Central | 1 | Terminates here | |
| 9R24 | XR | 1646 | Abbey Wood (Crossrail) | 4 | Reading | 1647 |
| 1C89 | GW | PASS | London Paddington | 2 | Paignton | 1648 |
| 2W67 | GW | Starts here | 1 | Windsor & Eton Central | 1650 | |
| 9U35 | XR | 1650½ | Reading | 5 | Abbey Wood (Crossrail) | 1651½ |
| 1A26 | GW | PASS | Chippenham | 3 | London Paddington | 1653 |
| 2N54 | GW | 1653 | London Paddington | 4 | Didcot Parkway | 1654 |
| 1B24 | GW | PASS | London Paddington | 2 | Swansea | 1700 |
| 1L24 | GW | PASS | Carmarthen | 3 | London Paddington | 1700½ |
| 9N28 | XR | 1700½ | Abbey Wood (Crossrail) | 4 | Maidenhead | 1701½ |
| 1W03 | GW | PASS | London Paddington | 2 | Hereford | 1702 |
| 2P57 | GW | 1701½ | Didcot Parkway | 5 | London Paddington | 1702½ |
| 2A68 | GW | 1706 | Windsor & Eton Central | 1 | Terminates here | |
| 9U39 | XR | 1707½ | Maidenhead | 5 | Abbey Wood (Crossrail) | 1708½ |
| 1P30 | GW | PASS | Great Malvern | 3 | London Paddington | 1709½ |
| 2W69 | GW | Starts here | 1 | Windsor & Eton Central | 1710 | |
| 1C24 | GW | PASS | London Paddington | 2 | Chippenham | 1712 |
| 1C90 | GW | PASS | London Paddington | 2 | Penzance | 1715 |
| 1A88 | GW | PASS | Penzance | 3 | London Paddington | 1715½ |
| 9R34 | XR | 1716 | Abbey Wood (Crossrail) | 4 | Reading | 1717 |
| 9U45 | XR | 1720½ | Reading | 5 | Abbey Wood (Crossrail) | 1721½ |