new-logo
 
                                    PAGE 4    
     SITE NAME SWALLOW STREET/LIGHT RAIL CROSSING   SITE NO. 7047  
APPROACH DEFINITIONS  
   
PHASE APPROACHES        
Approach No EXTENDING DETECTORS APPROACH TIMER AND TIMESETTING DEFINITION* SIGNAL GROUP APPROACH EXPIRY (EXPAP) Refer Special Notes  
1 Timer 1 or 2 expired until Timer 3 first expired B11 2        
2 Timer 4 or 5 expired until Timer 6 first expired B22 2        
3            
4            
5            
6            
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: TIEN VU           DATE 20/09/17  
   
 
 
 
 
 
 
 
 
 
 
 
     
 
SCATS Data Changes - Slot data, update graphics