From the junction of K-254 with interstate highway 135 east on highway K-254 to the junction of K-254 with interstate highway 35, is hereby designated as the Senator Bill Morris memorial highway. The secretary of transportation shall place signs along the highway right-of-way at proper intervals to indicate that the highway is the Senator Bill Morris memorial highway. The secretary of transportation may accept and administer gifts and donations to aid in obtaining suitable highway signs bearing the proper approved inscription.