text: Colonel Coolidge inspects the lead vehicle of the Coolidge-Dawes Lincoln Tour about to depart from Plymouth, September 1924. The driver, John P. Cowan of Pittsburgh, would use this unique means of bringing Coolidge to the country. A thoroughly grassroots movement, the Coolidge-Dawes Lincoln Tour would see 5 million participants in 100,000 automobiles before reaching their final stop on the Pacific. It must have worked since on November 4, Calvin Coolidge decisively beat the combined political support of both his challengers with 15.7 million votes, carrying 35 of 48 states and securing 382 electoral votes out of 266 needed to clinch victory). His 25.2 point margin victory is one of the largest popular votes garnered to this day.