This is a common bug on newer graphics cards. Disabling "Hardware T&L" in the in-game options menu usually fixes it instantly. 🌟 Pro Tip for New Players
If the game crashes on startup, try right-clicking the .exe , going to Properties > Compatibility , and setting it to Windows XP (Service Pack 3) . Download Railroad Tycoon 3 PC Game 2003
RT3 was built for 4:3 monitors. To play in 1920x1080 or 4K, you’ll likely need the "RT3 Resolution Patcher" or to manually edit the engine.cfg file in the game folder. This is a common bug on newer graphics cards