(29 Jun 2014, 9:13 pm)NEBCD Malarkey wrote Yeah but you'd think the Passengers would be put off by sitting on the A19 for up to an Hour due a incident on the A19 on almost a Daily Basis on the X9/X10 or the Bus simply Breaking Down, but the Majority will still more than likely use the Service as it is Cheaper than the Train I would imagine.At most passengers would wait half an hour for the following X9/X10 which would in turn be diverted to serve the locations served by the vehicle which had broken down (adds an extra 10-15 mins to journey).
This type of breakdown is infrequent.
The more common reason for a service not operating is because a vehicle has shown signs of needing to be replaced and the depot hasn't been able to get a bus out on time for the scheduled departure. Obviously tachometers come into play here.
For the record, I'd be seriously discouraged from using the TTX if its journey time was any longer than it already is.
Oh, and it would add extra journey time which would mean drivers probably couldn't finish their round trip.