 Preparations have been made for a decade-long centennial celebration to begin in 2019 and end with a 2029 motorcade from St. Augustine to San Diego.The present-day, all-volunteer Old Spanish Trail Centennial Celebration Association OST100 is collecting oral histories, travel logs and news articles related to the Old Spanish Trail to help conserve the roadways, businesses and historic sites of the original auto highway.The current work of revitalization, historic preservation, public/private partnerships, restoration, and road enhancements, follows the example of the original promoters of the Old Spanish Trail, who involved diverse business and private interests in building and beautifying the original roadway.