new-logo
 
                                    PAGE 4    
     SITE NAME WESTERN HIGHWAY/HENTY HIGHWAY   SITE NO. 6407  
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 3, 4 A22,D22 2 DØ→AØ    
3 5 D11 5       Ø
4 7 B11, C22 6, 3      
5 6 B22, C11 3 BØ → CØ    
6 8 C33 4      
7            
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 6/04/18