Drive at dawn, noon, dusk, or midnight. Rain and fog affect visibility. Snow will visually accumulate on the ground and track.
If the game asks you to download data again, you placed the OBB in the wrong location. Move it to Internal Storage/Android/obb/com.n3vrgs.ts2/ trainz simulator 2 android apk download
Here are some tips and tricks to help you get started with Trainz Simulator 2: Drive at dawn, noon, dusk, or midnight