A piece of history, with, amongst other things, the now retired Ganz EMUs, the footbridge at Kaiwharawhara, and the old Tawa station. There have been some changes over the years! Thank you for sharing.
It is my understanding that the top light indicates the track/block status for the straight ahead or main track, and the bottom light indicates the track/block status of the side track. So in the case of the red light over the green light, the top red light indicates that the track/block ahead along the straight or main track is not to be entered as there may be another train ahead. The bottom green light indicates that the side track is clear and can be entered by the train without restriction. However, usually the switch/points on the tracks ahead of the train are aligned/positioned so that the train can only go along the track as specified by the position of the switch/points. In this case here, the train can only go into the side track, and it is physically impossible for the train to proceed ahead along the straight ahead or main track anyway.
A piece of history, with, amongst other things, the now retired Ganz EMUs, the footbridge at Kaiwharawhara, and the old Tawa station. There have been some changes over the years! Thank you for sharing.
Just sublime footage many thanks for uploading
Came to see the insides of the tunnel, guess the head lights on those old Ganz units were weaksauce, but also, fast forwarded? 😢
Hi, i'm from the UK and just wondering why you get a red light above the green?
It is my understanding that the top light indicates the track/block status for the straight ahead or main track, and the bottom light indicates the track/block status of the side track.
So in the case of the red light over the green light, the top red light indicates that the track/block ahead along the straight or main track is not to be entered as there may be another train ahead. The bottom green light indicates that the side track is clear and can be entered by the train without restriction.
However, usually the switch/points on the tracks ahead of the train are aligned/positioned so that the train can only go along the track as specified by the position of the switch/points. In this case here, the train can only go into the side track, and it is physically impossible for the train to proceed ahead along the straight ahead or main track anyway.