"Chris" wrote in message
. ..
On the tube, why are there only a finite number of reasons for delays with
very little explanation (and often different reasons at different
stations)? Does anyone have a complete list? So far I've got:
* Passenger action
* Person under a train
* Signal Failure
* Failure of safety equipment
* Late finish of engineering works
* Earlier delays
* Staff shortage
Don't forget these ones...

* Adverse weather conditions
* Flooding on the line
* Security alert
* Fire brigade safety checks
* Defective train
* An "incident"
* Activation of passenger alarm
* Person taken ill