Greater Anglia's 6.40am Braintree to London service was disrupted because the train was late leaving the depot, while the 6.24am Norwich to London service was cancelled.
Detectives suspect that the farm, owned by local businessman John Fowler, could be where the robbers initially took the depot manager Colin Dixon and his wife and son, whom they kidnapped in order to force him to cooperate.
Police also found the white lorry they believe was used to drive the cash away and said they had arrested a woman - the fifth person now being questioned about the robbery at the Securitas depot in Tonbridge.
One of the depot workers, Alun Thomas, said Craig managed to get a key from a female employee and unlock one of the cages.
Steve North, general manager of Dave, said the roots of the show go back to Antiques Roadshow, although you would be hard pressed to imagine Hugh Scully taking the bolt cutters to a load of storage containers in a depot in Milton Keynes (as Kelly and his cohorts do in the opening episode).
For example, flapjacks do so well in the US (where we've just opened up a massive fulfillment depot), so our Wiltshire flapjack supplier benefits from our success.
Maybe it would be a good idea if you learned to drive a bus.' So I went to Knightwood training depot in Glasgow, and you get six days to learn to drive a bus.
Meanwhile, Securitas manager Paul Fullicks, described the ordeal of 14 nightshift workers at the depot who had beentied up by the robbers.
Less a preserved facade than a completely trampled building, the grade II-listed Kingsway bus depot has had a hundred flats foisted upon it in the form of a great orange slug, held over the original stone temple on chunky zigzag columns.
Mr Fuller said there had been "attempts to glamorise" the Tonbridge robbery but the huge amount involved should not overshadow the human cost of the raid, during which the depot manager, Colin Dixon, his wife, Lynn, son, Craig and 14 Securitas workers were held hostage.
I arrive at the Wythenshawe depot for my 10-hour shift.
