|FHWA Policy Memorandums|
This attachment shows an image of the design and fabrication details, including dimensions, for the General Service symbol sign D9-11f for Hydrogen fuel (HYD). The General Service symbol sign has a blue background with white legend and border. The legend on this sign is comprised of a white colored image of a symbolic gas pump, including hose and nozzle, with the letters "HYD" aligned vertically in the middle of the pump symbol with the letter H on top and D on the bottom.
* See page 6-12 for symbol design.
LEGEND - LETTERS - BLUE (RETROREFLECTIVE), SYMBOL - WHITE (RETROREFLECTIVE)
BORDER - WHITE (RETROREFLECTIVE)
BACKGROUND - BLUE (RETROREFLECTIVE)
United States Department of Transportation - Federal Highway Administration