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conditional and mandatory trains

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conditional and mandatory trains 09/06/2011 at 01:37 #3177
jc92
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3690 posts
ask a silly question perhaps but older timetables are split (mostly) into passenger and parcels, freight, conditional, and mandatory

the first two are obvious but what are conditional and mandatory services?

i can only assume mandatory are required by law eg parleys and perhaps conditional are runs as required?

anyone care to enlighten me?

"We don't stop camborne wednesdays"
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conditional and mandatory trains 09/06/2011 at 01:37 #16434
jc92
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3690 posts
ask a silly question perhaps but older timetables are split (mostly) into passenger and parcels, freight, conditional, and mandatory

the first two are obvious but what are conditional and mandatory services?

i can only assume mandatory are required by law eg parleys and perhaps conditional are runs as required?

anyone care to enlighten me?

"We don't stop camborne wednesdays"
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conditional and mandatory trains 09/06/2011 at 09:32 #16438
officer dibble
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409 posts
JC,

Mandatory - Passenger and Parcels trains, along with well established freight services.
Conditional - Freight traffic that runs on an ad-hoc basis.

HTH
Paul

When in doubt - Contingency plan 2A. Someone didn't buy the milk - 2A. Someone sneezed at Swansea - 2A. A driver complains the cab is too cold - 2A. Unable to operate a HEx service 4 vice 8 - 2A. Points failure at Ipswich - 2A. Landslip at Pitlochry - 2A
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conditional and mandatory trains 09/06/2011 at 10:46 #16440
58050
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Online
To clarify Mandatory & Conditional WTTs, it's in the name:-
Mandatory are booked WTT services that are booked to run on the days specified.
Conditional are trains booked to run under certain conditions such as traffic demands or as required.
Irrespective as to whether they are Passenger, Parcels, freight or light engines.

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