By Dan Snierson
May 30, 2012 at 06:05 PM EDT
Chris Large/AMC

Twilight director Catherine Hardwicke will keep the trains running on time for Hell on Wheels: She is directing an episode of the 1860s-set AMC western that centers on the building of the first transcontinental railroad, EW has learned.

Hardwicke is helming the fourth installment of the second season, in which foreman Cullen Bohannon (Anson Mount) resorts to drastic measures to resolve a strike by the railroad employees.

Season 2 debuts August 12.

Read more:

AMC orders second season of ‘Hell on Wheels’

Ken Tucker’s review: ‘Hell on Wheels’