Up to 70 trains a day are having to be cancelled across the West Midlands because of a sudden shortage of drivers.
The crisis has hit London Midland services after more than 30 drivers decided to leave the company.
That has left a serious and unexpected shortfall and problems could continue - on and off - until December.
Commercial Director for London Midland trains Richard Brooks apologised for the impact the cancellations are having on passengers.
Anyone delayed for more than 30 minutes because of these delays is eligible to claim compensation through London Midland here.
When asked by Central News why London Midland could not foresee that so many drivers would leave in such a short time Mr Brooks said it is something they have not experienced before:
Mr Brooks said the company believes the problems will be sorted from December 9 because the time table changes and drivers will be rosted differently.