For the first time, track curves could be banked (canted) to allow for more realistic train physics and visual accuracy when rounding bends.
Technical Overview: Railworks 3: Train Simulator 2012 Released on , by RailSimulator.com (now Dovetail Games), Railworks 3: Train Simulator 2012 (TS2012) served as a major technical leap for the series. It introduced the "TSX" graphics engine, which brought significant visual and physics-based improvements to the platform. Core Technical Advancements Railworks 3 Train Simulator 2012
Enabled multiple-source dynamic lighting, soft shadows, and depth of field . For the first time, track curves could be
Railworks 3 Tutorial {HD}- Superelevated and Basic Track Laying For the first time