Utah Interstate 15
1961 specification guide sign shield. Manufactured between 1985 and 1986.
End of interstate 70. The interstate 15 shields had a black background, instead of blue.
Photo by Michael Summa, 1986.
1961 specification guide sign shield. Manufactured between 1985 and 1986.
End of interstate 70. The interstate 15 shields had a black background, instead of blue.
Photo by Michael Summa, 1986.