up-line

— 1906, Edith Nesbit, The Railway Children, Chapter 4: The engine-burglar, Then when the next train came in and stopped, Bobbie went across the metals of the up-line and stood beside the engine. She had never been so close to an engine before. It looked much larger and harder than she had expected, and it made her feel very small indeed, and, somehow, very soft--as if she could very, very easily be hurt rather badly.

— 2005 Human Capital: Symposium on Designing & Managing Market-Based & More Performance-Oriented Pay These managers then discuss their decisions with other first-line managers and managers at the next level — the up-line managers — to ensure the assessments and justifications are consistent across groups.