Garry Douglas Kilworth said this quote

He had a book to finish. Ten-thousand words. The other ninety thousand had been difficult. This last tenth seemed impossible. His plot had become derailed. He was unable to see his way through the smoke and coke dust of a mythical railway track that should stretch ahead. Yes, the characters were there, good and solid. Indeed, the story's engine was strong and had shunted yet forward and forward, with only one or two sharp halts. But six weeks ago he met the bumpers. R. was now stuck in a deserted station, his progress blocked. (Out Back)