31st March 1979
Railway Development
Society
(Special Excursion)
| DMUs Used | 51225+56382 & 51220+56371 |
Route :
| DMU | Route |
| as listed | Cambridge - Chesterton Jn - Histon - Long Stanton - Swavesey |
| as listed | Swavesey - (reverse of outward route) - Cambridge |

The special at Histon (photo: Alan Moore, courtesy of Nick Catford)
Sources : Phil Wieland & Nick Catford
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Timings (Booked & Actual)
(from Phil Wieland)
| Location | Booked | Actual | Booked | Actual | |
| Cambridge | 17.00d | 17.02 | ? | 18.59a | |
| Chesterton Jn | ? | ? | ? | 18.48a ~ 18.51d | |
| Histon | ? | ? | ? | 18.31a ~ 18.33d | |
| Oakington | ? | ? | ? | 18.17a ~ 18.19d | |
| Long Stanton | ? | ? | ? | 18.07a ~ 18.08d | |
| Swavesey | 17.50a | 17.55 | 18.00d | 18.02 |