Heathrow Express Class 332 Allocations

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phoenixcronin

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Hi all,

Would someone be kind enough to explain how the Class 332's on Heathrow Express are allocated to each diagram, because I haven't been able to work it out.

AFAIK there are nine 4 car units and five 5 car units, but I've seen them in service in a wide range of combinations, including 4, 5, 4+4 and 4+5, at various times. I don't believe I've ever seen a 5+5.

Is there a specific allocation with regards to peak and off-peak, weekday or weekend, or are they just sent out randomly?
 
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Nippy

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13 Aug 2013
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You won't see 5+5. The platforms at Heathrow aren't long enough. The diagrams change daily really and does seem random.

Basically, they should be 8/9 all day until early evening when a few shorten, weekends are different.

Can't remember about Saturday's, but Sunday's are single units until mid afternoon when all the diagrams strengthen.

Obviously, this all can (and does) change daily.
 
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Triumph

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5 Dec 2011
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409
Hi all,

Would someone be kind enough to explain how the Class 332's on Heathrow Express are allocated to each diagram, because I haven't been able to work it out.

AFAIK there are nine 4 car units and five 5 car units, but I've seen them in service in a wide range of combinations, including 4, 5, 4+4 and 4+5, at various times. I don't believe I've ever seen a 5+5.

Is there a specific allocation with regards to peak and off-peak, weekday or weekend, or are they just sent out randomly?

Monday to Friday they are all booked to be 9 cars until the late evening then 5 cars. On Saturdays they are 5 car and Sunday morning 5 car then from about 1600 9 car. However as all the 5 cars are diagramed to be out with no spare units you will see 2 x 4 cars working on most days.
 

Nippy

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One other point is that with the ongoing Crossrail work, quite often the service is half hourly late evening and occasionally weekends, in which case the evening services stay 8/9 car and the weekend ones are as well.
 
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