
Commuters hover to join the less busy rear carriages of 1A83 the last morning Cobbler, here the 0813 Northampton – Euston on May 1st 1986 is roaring with 85005 up front arriving at Leighton. As was the fun at the time, this train often but by no means always roared..
81021 1A83 0813 Northampton – Euston 050483
| Milepost/Station | Sched arr/dep | Actual arr/dep | Passing time | variance | Av speed |
| 40.21 – Leighton Buzzard | 0844 dep | 0845.10 | +1 | ———- | |
| 40 | 0846.03 | 16 | |||
| 39 | 0847.37 | 38 | |||
| 38 | 0851.20 | 16 (sl-fl) | |||
| 37 | 0852.40 | 45 | |||
| 36 – Cheddington | 0853.30 | 72 | |||
| 35 | 0854.33 | 57 (pwr) | |||
| 34 | 0855.44 | 49 (pwr) | |||
| 33 | 0856.32 | 75 | |||
| 32 | 0857.17 | 80 | |||
| 31 – Tring | 0857.57 | 90 | |||
| 30 | 0858.36 | 92 | |||
| 28 – Berkhampsted | 0859.52 | 94 | |||
| 27 | 0900.32 | 90 | |||
| 26 | 0901.09 | 97 | |||
| 25 | 0901.45 | 100 | |||
| 24 – Hemel Hempstead | 0902.22 | 97 | |||
| 23 – Apsley | 0902.58 | 100 | |||
| 22 | 0903.35 | 98 | |||
| 21 – Kings Langley | 0904.10 | 102 | |||
| 18 | 0906.00 | 98 | |||
| 17 – Watford Jn | 0906.39 | 92 | |||
| 16 – Bushey | 0907.10 | 96 | |||
| 15 | 0907.52 | 99 | |||
| 14 | 0908.30 | 94 | |||
| 13 | 0909.06 | 100 | |||
| 12 | 0909.42 | 100 | |||
| 11 – Harrow | 0910.25 | 81 | |||
| 10 | 0911.15 | 73 | |||
| 9 | 0913.44 | 24 (pwr) | |||
| 8 – Wembley C | 0914.48 | 56 | |||
| 7 | 0915.32 | 75 | |||
| 6 | 0916.15 | 83 | |||
| 5 | 0916.56 | 87 | |||
| 4 | 0917.43 | 76 | |||
| 3 | 0918.03 | 90 | |||
| 1 | 0921.15 | 39 | |||
| 0 – Euston | 0921 arr | 0926.01 arr | +5 | 13 |