To provide a travel device for a model railroad travelling a curve of small radius even when an inter-axle distance is long by placing at least two axles in one underframe.

The travel device for the model railroad has at least two axles 3a, 4a, and 5a journaled by one underframe, wherein axle holes 21e and 22e for journaling the axle 5a of the underframe 2 are formed into a slotted hole long in the travelling direction and the axle 5a is tiltable according to a curve.