The mark consists of the stacked black wording "HI TROLLEY" above the design of a red bus outlined in black with the white wording "GUAM. USA" on its side, with one white and two yellow headlights, two red, white and black wheels, one black and white wheel, black front bumper, and a stylized American flag consisting of white stars on a blue background and stripes of red and white showing through its windows; two flowers appear to the right of the wording "HI" and above the wording "TROLLEY" and one flower is superimposed over the bus design; each flower is white with gray outline and yellow stamen and pistil; the flower superimposed over the bus design is also outlined in black.