3 ms·
It wouldn't just be the special vehicle, but also the route. There's no point running it through long tunnels, but it does need to clean junctions and so on in
by Symbiote 5y ago
It wouldn't just be the special vehicle, but also the route.
There's no point running it through long tunnels, but it does need to clean junctions and so on in an order that is unlikely to follow a passenger train's path.