There's escape options - whether you can use them depends on a number of factors
Challenge with Elon's tunnel is you're stuck underground with no escape options, and maybe nowhere for the smoke to go
As well as escape options most tunnels in EU, also have smoke extraction, fresh air insertion options which help make it easier for passengers to evacuate.
Challenge with Elon's tunnel is you're stuck underground with no escape options, and maybe nowhere for the smoke to go
As well as escape options most tunnels in EU, also have smoke extraction, fresh air insertion options which help make it easier for passengers to evacuate.
Tunnel fires (even miles from anywhere) are survivable with the right design - https://en.wikipedia.org/wiki/1996_Channel_Tunnel_fire