initially no trains on track 
       
     1 slow tracks with durations (120, 30, 45, 5, 10);  
     trains are created in 90s intervals 
       
     1 fast track with durations (90, 15, 30, 5, 10);  
     trains are created in  210s intervals 
       
     car gate leaving duration = 2s, 
     car arriving duration  := 5s 
       
     creation period for track2 is reset after 40s to 90s 

 Test-Results: 

 The x-axis shows the time in seconds, the y-axis shows the remaining distance to leave the crossing area in percent of the total area. 

 Track 1: 
                                                                  

 Track 2 (fast track): 
                                   
 Number of Cars: