To stably perform an ice road running test for a long period of time.

A test road R for ice road running of a vehicle includes: ground 2 comprising natural soil or asphalt; a first ice layer 3 formed outside the ground 2 and mainly comprising ballast J; and a second ice layer 4 provided outside the first ice layer 3 and mainly comprising ice. In the test road R, the first ice layer 3 is constructed by an arrangement step of arranging the ballast J outside the ground 1, a mounting step of mounting snow Y outside the arranged ballast J, a first water spray step of spraying water to the mounted snow Y, and a first freezing step of freezing the water-sprayed snow Ya.