FIELD: railway transport. SUBSTANCE: device has platform 1 with roll-on surface, external and internal guides for vehicle wheels and vertical stiffening ribs with members fastening the device on track, and also roll-off part. Roll-on surface 2 of platform 1 has mating lower concave and upper convex sections. Roll-on surface mating with internal guide has cross slope. External and internal guides of platform are concave in plan. EFFECT: enlarged operating capabilities, enhanced efficiency of operation, reduced material usage. 3 dwg
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