United States highway 83 from the Kansas-Nebraska border, then south to the junction with United States highway 24, then south from the junction with interstate highway 70 to the Kansas-Oklahoma border is hereby designated the veterans of foreign wars memorial highway. The secretary of transportation shall place markers along the highway right-of-way at proper intervals to indicate that the highway is the veterans of foreign wars memorial highway, except that such signs shall not be placed until the secretary has received sufficient moneys from gifts and donations to reimburse the secretary for the cost of placing such signs. The secretary of transportation may accept and administer gifts and donations to aid in obtaining suitable highway signs bearing the proper approved inscription.