The mark consists of a design with the words "BIRTHPLACE OF" within an arched banner above the U.S. national highway emblem sign. The wording "BIRTHPLACE OF" appears in black and set against the white arched banner, which is outlined in black. The U.S. national highway emblem sign is outlined in black with a white border and a black inner border. The top portion of the sign appears in blue, with the bottom portion appearing in red. Across the top portion of the sign is the black wording "ROUTE," outlined in white and above a single black horizontal line. Within the bottom portion of the sign is the black number "66", outlined in white. Arched upward from the bottom of the highway sign is a white banner, outlined in black with the wording "FESTIVAL" in black within the banner. There are gray lines behind the term "FESTIVAL" in an up and down zig zag pattern. Extending leftward from the highway sign is a green rectangle, lined in black with a white inner border and black inner border. Within the rectangle is the white wording "SPRINGFIELD" with black shading. Extending rightward from the highway sign is a green rectangle, lined in black with a white inner border and black inner border. Within the rectangle is the white wording "MISSOURI" with black shading.