1948 Greenwood Signal Box, New Barnet. On Early Shift. British Railways Published May 14, 2024 at 1940 × 1536 in British Railways ← Previous Next → PosterHistory > Railroad > British Railways > 1948 Greenwood Signal Box, New Barnet. On Early Shift. British Railways 1948 Greenwood Signal Box, New Barnet. On Early Shift. British Railways Source: Pinterest / Dominique Poggi