NPS Rawlinson Roadway is an old style serif typeface currently used on the United States National Park Service's road signs. It was created by Terminal Design to replace Clarendon. Type designer James Montalbano named the typeface after his wife's surname, as her father worked for the Forest Service. NPS Rawlinson Roadway is an old style serif typeface currently used on the United States National Park Service's road signs. It was created by Terminal Design to replace Clarendon. Type designer James Montalbano named the typeface after his wife's surname, as her father worked for the Forest realtime-windowsserver.comry: Serif. NPS Roadway. NPS Roadway was tested by Pennsylvania Transportation Institute and was found to decrease legend length by % while increasing readability by 11%. Part of a total redesign of the Park Service identity (that included the Rawlinson series of fonts) the font has been approved by FHWA (Federal Highway Administration) for use on all Federal roads.