Look your files

X,Y,TYPE,SPEED,DirType,Direction
-3.74547,40.47447,1,0,0,0
2.13210,41.37058,1,0,0,0
2.12711,41.38523,1,0,0,0

1 - Type (Category) 1 - Fixed Speed Cameras

Only the camera will be seen. Other categories do not have to file.