Our library of our latest, all-new KLW addons and updates, plus new reskins based on prototype-specific KLW shape files.

KLW's series of Comet IIM, III, IV, and V passenger cars.

Tri-Rail, Caltrain, ACE, and Coaster available.

General KLW TrainSim addons - Seaview rolling stock, reskins by KLW, route structures, retired releases, et cetera.

Reskins of KLW rolling stock by other MSTS enthusiasts.

Older KLW reskins and reskins based on other 3rd party content.

MSTS Activities by KLW members.

Thomas & Friends equipment for MSTS, by Kerry McCoy.

Not sure whether you have the latest KLW addon installed? Check our update chart.