Originally Posted by wyowillys46
Has anyone traveled over to Vault 87 yet? Holy crap. I get nervous everytime the Geiger counter starts clicking. The entrance to that Vault peaks at over 3000 rads/sec! Enough to drop you quick.
There are tunnels that connect the Lamplight Caverns to Vault 87 where there is no radiation to worry about.
If you do the missions for Moira in Megaton you can get a perk that makes it so you don't feel the effects of the radiation sickness.