
Normal position of no.15 points is from the Branch to Up line.
Normal position of no.23 points is from the Down Main to Up line.

Signal   Applies to  
------   ----------  
 57      Branch            
 59      Up Main
 62      Up Main only

Outer Home are locked if points not set up correctly in advance of Inner Homes:

Signal   From              Requires
------   ----              --------
  2      Down Main         23 Reverse
  4      Down Branch       23 Normal and 10 Reverse
 61      Up                39 Normal
  
Level Crossing:

Lever    Applies to        Requires
-----    ----------        --------
  8      Down              63 Normal and 64 Normal
 51      Up                63 Normal and 64 Normal
 61      Up                63 Normal and 64 Normal
 63      Up & Down         8, 51 and 61 all Normal * 
 64      Up & Down         8, 51 and 61 all Normal *
 
 * Also signal 37 Normal unless Up platform is occupied.
 
Flank protection at junctions:

Lever    Requires              
-----    --------

 25     23 Reverse
