FIELD: construction.
SUBSTANCE: support board (1) of a rail track has a shape of isosceles trapezoid and comprises two channels on its upper side in the form of slots for placement of rails. Channels (8) stretch from one end surface (2) of the support board to the other one (3) and have bent or arched shape. The convex side (16) of channels (8) faces the shorter side surface (6) of the board (1). The set of boards represents boards arranged one after another, one of which is alternately laid into a condition turned by 180 degrees.
EFFECT: achieved possibility to use a support board both for placement of transport along rails and both for use by pedestrians and urban transport.
15 cl, 10 dwg
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