Train constantly derailing at relatively low speeds

[D7L14]

If you’re going to tween the train:

Moving parts with Tween Service does NOT move the player physically

If you put this script inside the StarterCharacterScripts in a localscript it should fix your issue. Just remember to have an invisible part at the bottom of each train cart named “TrainFloor” local Players = game:GetService("Players") local player = game.Players.LocalPlayer local RunService = game:GetService('RunService') local LastTrainCFrame local Function local Function2 local TRAIN_BASE_NAME = "TrainFloor" Function = RunService.Heartbeat:Connect(function() -- CHECK PLATFORM BELOW: l…

You could also use TweenServicePlus for smoother tweening on the client as long the train doesn’t need to carry anything on the server