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     SITE NAME MIDLAND HIGHWAY / LYONS STREET   SITE NO. 6288  
APPROACH DEFINITIONS  
   
PHASE APPROACHES        
Approach No EXTENDING DETECTORS APPROACH TIMER AND TIMESETTING DEFINITION* SIGNAL GROUP APPROACH EXPIRY (EXPAP) Refer Special Notes  
1 1, 2 A11 1        
2 5, 6 A22 2        
3 11 B11, C54 3, 7      
4 15 B22, C64 4, 8      
5 10 C11 3      
6 14 C22 4      
7 8 C33, D33 3, 6 CØ→D1Ø or D2Ø    
8 12 C44, D44 4, 5 CØ→D1Ø or D3Ø    
9 3 D11 6      
10 7 D22 5      
11            
12            
13            
14            
15            
16            
       
  *  There are 8 approach timers and 4 approach timesettings available per phase:  
     - Where there are 4 or fewer approaches per phase, allocate one timesetting to each timer.  
       For example: A11. A22, A33, B11, C11.  
     - Where there are more than 4 approaches per phase, two or more timers must have the same timesetting.  
       For example: A11. A21, A32, A43, A54, B11.  
       
SPECIAL APPROACHES          
Approach No EXTENDING DETECTORS APPROACH TIMESETTING SIGNAL GROUP DESCRIPTION Refer Special Notes  
1            
2            
3            
4            
                                         
DESIGNED BY: DARREN VAUGHAN           DATE 14/09/17