Curved Path Train (Func_Train / Misc_Mdl_Train) tutorial - Quake3_Quake1 Mapping Resources mod for Quake
Shows how to make a curved path func_train in Quake3_Quake1 with path_corner entities by setting flag "[2] Train Turn To Face" on any path_corner destination where you wish for the train to turn to face that destination point when approaching. Plus...
Source: moddb.com