



The Up Main becomes the Up Local line in the middle of the tunnel at the lowest point..
The next signal is Angel Road Up Local Outer Home signal No.10 which is located inside the tunnel.
The Up Local line becomes the Up Main line at the summit.
The next signal is Angel Road Up Main Outer home signal No10.
This signal protects the Up Main Loop exit points
The next 12 levers came from Gloucester Road Junction near East Croydon the last 12 levers were aquired from bits from Crewe, and Euston signal box's.