The document describes the operation of the Vamos level crossing system at Cow Pastures. Train 1P62 is detected entering the crossing and leaves all detection points. The crossing then enters a dark mode due to a track 1 error. Train 5P80 is then detected entering the crossing, causing the crossing to exit dark mode and display a green light. An investigation found the down road strike out treadle bracket was loose. Testing is ongoing to recreate the fault.