Quarters

 is a Locomotive statistic defining how much Crew you can carry.

If you have less than half the maximum amount of crew on board, then you will gain Terror at an increased rate. However, your locomotive's speed and the rate you consume Supplies is not effected.

Your current locomotive's crew capacity can be viewed in the Hold tab, alongside the Hull and Hold values.

Locomotives
Each Locomotive can support a certain amount of crew.

Modules
The following modules can be equipped to increase your Crew capactiy: