After the latest major update (Deimos Arcana) railjack fell unplayable.
Problem 1: Invisible walls
Thread 1: https://forums.warframe.com/topic/1236550-railjack-orokin-tower-hitbox-too-big/
Thread 2: https://forums.warframe.com/topic/1237471-railjack-invisible-walls/
Seems like Grineer have learned the technology of invisible space structures.
In short: a large amout of structures either do not have any textures drawing or they have extraordinarily big hitboxes. It make