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     SITE NAME HIGH STREET/ELGIN BOULEVARD   SITE NO. 6149  
APPROACH DEFINITIONS  
   
PHASE APPROACHES        
Approach No EXTENDING DETECTORS APPROACH TIMER AND TIMESETTING DEFINITION* SIGNAL GROUP APPROACH EXPIRY (EXPAP) Refer Special Notes  
1 1 A11 1        
2 3 A22 2        
3 2 A33, F11 1, 5      
4 4 A44, F22 2, 6      
5 7 C11 7      
6 6 D11 3      
7 9 D22, E22 4 DØ→EØ    
8 10 D33, E11 4, 8       
9            
10            
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: NOEL RAVEENDRAN           DATE 22/04/14